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Sasi asked a question
Subject: Maths, asked on on 20/9/18
A boy standing on the top of a tower 20 metre height saw the top of a building at an elevation of 50 degree and its base at a depression of 30 degree draw a rough figure according to the given data
Obadiah Sam asked a question
Subject: Maths, asked on on 19/9/16
​(cos square 35 degree + cos square 55 degree / cosec square 15 degree - tan square 75 degree ) + root 3 (tan 13 degree . tan 23 degree . tan 30 degree . tan 67 degree . tan 77 degree)
Sumaya asked a question
Subject: Maths, asked on on 5/10/16
evaluate : 2 cos square 60 + 3 sin square 45 - 3 sin square 30 + 2 cos square 90
Janakan asked a question
Subject: Maths, asked on on 28/9/16
If sinA=12/13, 0<A<90, find the value of sin^2A- cos^2A/2sinAcosA x 1/tan^2A
Gayathri asked a question
Subject: Maths, asked on on 2/3/15
the horizontal distance between the two towers is 75 m and angle of depression of the top of the 1st tower as seen from top of 2nd ,which is 160m high ,is 45°.Find the height of the 1st tower.
Rijina Suneesh asked a question
Subject: Maths, asked on on 30/11/14
What is the value of
3cos2 30+sec230+3sin 30-tan260?
Rajeev asked a question
Subject: Maths, asked on on 7/11/13

Find the value of (secA x cotA)2– (cosec A x cosA)2

please help me to solve the problem.
Anjaya asked a question
Subject: Maths, asked on on 28/7/14
  1. what isthe ratio of 30,60 right angle triangle?
Soniya Suresh asked a question
Subject: Maths, asked on on 30/9/16
evaluate sin (60+a)- cos(30-a)
Alok Sahoo asked a question
Subject: Maths, asked on on 21/9/16
​If sin theta + cos theta = root 3. then prove that tan theta + cot theta = 1
Om Venkatesh asked a question
Subject: Maths, asked on on 26/6/14

urgent please

derivation of trignometric ratios.
Anfasasharaf asked a question
Subject: Maths, asked on on 1/3/14

what is equation for cos?
Gnana Shri Tej asked a question
Subject: Maths, asked on on 18/12/16
sin^2A+sin^2B=sin^2C then angle c=
Pratim Baranwal asked a question
Subject: Maths, asked on on 17/10/16
if x= 3 sin(theta) and y= 4 cos(theta), find the value of under root{16x(square)+9y(square)}​
Aelin Ashryver asked a question
Subject: Maths, asked on on 13/9/16
(sin^3 theta - Cos^3 theta) / (sin theta - Cos theta)
Shobitha asked a question
Subject: Maths, asked on on 11/6/15
what is trigonometry?
Vismaya asked a question
Subject: Maths, asked on on 14/2/16
Two sides of a triangle are 4 centimetres and 6 centimetres and the angle between the two sides is 50 degree. Find the length of the third side of the triangle.
Sandhya Karthik asked a question
Subject: Maths, asked on on 16/9/16
find 1/sin30- root3/cos 30=?
 
Meenu Vinod asked a question
Subject: Maths, asked on on 22/9/14

In triangle ABC,if AB:BC:AC=5:12:13 then find: cotA+cotC/cotAcotC-1
Vipin Mv asked a question
Subject: Maths, asked on on 24/8/14

sides of eqlartral tringl 4cm .what is radisus of circumcircl?
Seth asked a question
Subject: Maths, asked on on 17/7/15
sinx+sin3x/cosx+cos3x=2tanx
Jishnudevvj asked a question
Subject: Maths, asked on on 20/9/16
find cos70?cos10+sin70?sin10
Nadiya asked a question
Subject: Maths, asked on on 10/3/18
If cosec theta + cot theta = q, prove that cosec - cot = 1/q & hence find sin and cos
Akbar Rasheed asked a question
Subject: Maths, asked on on 7/2/15
a boy of height 1.5m tall standing some distance away from the foot of tree, see the top of an angle of an elevation 40 degree. after walking 20 meter towards the tree he see the top of an angle of an elevation 60 degree find the height of tree. what is the distance between the foot of the tree and the boy at the first time
Maaz Iqbal Shaikh asked a question
Subject: Maths, asked on on 23/9/16
if x=3sinAcosB,y=3sinAsinB and Z=3cosA then find the value of xsqr+ysqr+zsqr
S.meenakshy asked a question
Subject: Maths, asked on on 6/9/15
a boy 1.5 m tall standing on the bank of the river sees the top of a tree at on the edge of the other bank at an angle elevation 60 degree stepping 20 metres backward ,he sees it at an angle of elevation 30 degree compute the height of the tree and width of the river
Mohamed Rizvan asked a question
Subject: Maths, asked on on 19/9/16
if (1+cosA) (1-cosA)=3/4 find sec a
Deep Sah asked a question
Subject: Maths, asked on on 30/8/16
What are the laws of thermodynamics?
Salma asked a question
Subject: Maths, asked on on 13/9/18
A boy standing at the top of a light house near the sea ahore,sees a ship in the sea at an angle of depression of 20.a man standing at a distance of 100 m from the foot of the light house sees the boy at the too at an angle of elevation of 45.find the height of the light house.how far is the ship from the shore?
Kiran Kumar asked a question
Subject: Maths, asked on on 12/9/16
if 15 sinb=12 then find the value of cos b sec b cosec b tan b ​
Priyabrata Barik asked a question
Subject: Maths, asked on on 17/9/16
CosecA+Cot A=11/2.
Then find TanA?
Pratim Baranwal asked a question
Subject: Maths, asked on on 17/10/16
if x= 3 sin(theta) and y= 4 cos(theta), find the value of under root{16x​​2+9y2}  
Salma asked a question
Subject: Maths, asked on on 20/9/18
A man 1.8 m tall look down from the top of a lighthouse 25m high and sees a ship at an angle of depression 35.how far is the ship from the foot of the lighthouse
Sradha asked a question
Subject: Maths, asked on on 18/6/15
the sum of the 7th and 19th term of apis 120. find the sum of its 1st term and 25th term?also find sum of its first 25 terms?
Fathima asked a question
Subject: Maths, asked on on 2/8/15
Prove that tangent is division of sine cosine
Joel Viju asked a question
Subject: Maths, asked on on 24/9/16
without using the trigonometry table, solve:
​3 cos 68. sec 68- tan 43. tan 47. tan 60. tan 12. tan 78

answer fast plz
Sumaya asked a question
Subject: Maths, asked on on 17/9/16
​if tan alpha = root 3 and tan beta = 1/ root 3 , find the value of sin (alpha + beta)
Gowri asked a question
Subject: Maths, asked on on 26/3/19
Please very urgent
Bhavya Batra asked a question
Subject: Maths, asked on on 13/9/16
x = tan A + sin A and y= tan A- sinA, show that x^2- y^2 = 4√xy ​
Lioncub asked a question
Subject: Maths, asked on on 12/9/16
Prove that
Sin A + CosA / Sin A - Cos A    +    Sin A - Cos A / Sin A + Cos A   =  2 / 1 - 2 Cos ^2 A
Salma asked a question
Subject: Maths, asked on on 19/1/19
Find the ratio of the sides of the triangle having the angles 30◦,15◦,135◦
Salma asked a question
Subject: Maths, asked on on 7/9/18
In triangle ABC,AB=12angle A=45 and angle B=30.find area of triangle
Kaushik P.m asked a question
Subject: Maths, asked on on 8/11/16
If sin(2A-3B)=cos(3A+8B) where (2A-3B) & (3A+8B) are acute angles, then what is the value of (A+B)

a)25
b)23
c)18
d)12
Mayank Maleta asked a question
Subject: Maths, asked on on 23/10/16
f(x) is a linear function. If f(1) = –1 and f(2) = 14. Find the value of f(15).pls its urgent
 
Ye Hein asked a question
Subject: Maths, asked on on 21/1/18
show that (cos3xsin2x -cos4xsinx)/(cos5xcos2x -cos4xcos3x) =cot2x
Anupama asked a question
Subject: Maths, asked on on 29/10/17
5 cos square60+4sec square 30- tan square 45 whole divided by sin square 30 + cos square 30
Salma asked a question
Subject: Maths, asked on on 19/1/19
please answer fast
Arjun asked a question
Subject: Maths, asked on on 19/9/18
A 1.5 metre tall boy saw the top of a building under construction at an elevation of 30°.The completed building was 10 metres higher and the boy saw it's top at an elevation of 60° from the same spot.What is the height of the building ?
Kaushik asked a question
Subject: Maths, asked on on 15/9/16
cos​θ+tanθ-1/sin^2θ=tan^2θ
Yashwanth asked a question
Subject: Maths, asked on on 17/9/16
If sec  tan  2 tan, then show that sec  tan  2 sec.
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