Select Board & Class

Login
Jaghadishan N R asked a question
Subject: Maths, asked on on 11/2/16
a girl of height 150cm stands in front of a lamp post and casts a shadow of length 150root3cm on the ground.find the angle of elevation of the top of the lamp post.
Varshini asked a question
Subject: Maths, asked on on 28/5/16
Evaluate 1/4(cot^4 30 degree- cosec^4 60 degree)+3/2(sec^2 45 degree-tan^2 30 degree-5cos^2 60 degree
Venkat Millen.m asked a question
Subject: Maths, asked on on 18/4/14

prove the following identities :sin theta/1 - cos theta = cosec theta + cot theta
Dhvani Mandavia asked a question
Subject: Maths, asked on on 15/9/16
sin4A/sin5A=tan4A then A=
S.harshadkumar asked a question
Subject: Maths, asked on on 15/4/17
Ratna sagar book 10 maths answe r solitions
Oviya Sundara Raman asked a question
Subject: Maths, asked on on 22/9/15
give me the proof of all trigonometric identities
Shabu asked a question
Subject: Maths, asked on on 23/12/14
A man on deck of a ship 14m above the water level observes that the angle of elevation of the top of a cliff is60and the angle of depression of base of the cliff is30 .find the height of the base
Nikhilkumar.c asked a question
Subject: Maths, asked on on 9/5/15
I have not received hall ticket for 2015 NTSE exam
D. Pranav asked a question
Subject: Maths, asked on on 12/3/19
A straight highway leads to the foot of a tower . A man standing on the top of
the tower spots a van at an angle of depression of 30 degree. The van is approaching
the tower with a uniform speed. After 6 minutes, the angle of depression of the van
is found to be 60 degree. How many more minutes will it take for the van to reach the
tower?
Sweety asked a question
Subject: Maths, asked on on 14/2/15
i still dont understand the concept of heights .please help me....
Riyas asked a question
Subject: Maths, asked on on 12/5/17
The value of sin square 65 degree + sin square 25 degree + cos square 35 degree + cos square 55 is
Vignesh asked a question
Subject: Maths, asked on on 10/4/18
If A is an acute angle of triangle ABC,right angled at B,then the value of sinA + cosA is __. a) less than 1 b) equal to one c) equal to two d) greater than one
Varshini asked a question
Subject: Maths, asked on on 27/5/16
Cos^2 30 degree.cos^2 45 degree +4sec^2 60 degree +1/2 cos^2 90 degree-2tan^2 60 degree
Varshini asked a question
Subject: Maths, asked on on 28/5/16
Find A and B,if sin (A+B)=1 and cos(A-B)=1
Vijayan A asked a question
Subject: Maths, asked on on 3/11/17
Cos6A-cos4A/sin6A+sin4A=tanA
Priyadharshini asked a question
Subject: Maths, asked on on 6/7/18
A boy standing on the ground
Rithan Vikas asked a question
Subject: Maths, asked on on 24/3/18
Two point A and B on the same side of a tower and in the same straight line its base .the angles of depression of these of these points from the top of the tower are 60°and 45° respectively. If the height of the tower is 15m .find the distance between these points.
Akshaya asked a question
Subject: Maths, asked on on 19/2/19
Cos square theta minus 2 sin square theta by cos theta sin theta is equal to sec theta. Cosec theta minus 3 tan theta
Dixie asked a question
Subject: Maths, asked on on 16/5/18
Q.5. If 5sinθ+3cosθ=4, find the value of 3sinθ-5cosθ.
Balamurugan.r asked a question
Subject: Maths, asked on on 25/2/18
Solve this:
Q. A man is standing on the deck of a ship, which 8 m above water level.He observes the angle of elevation of top of hill as 60° and the angle depression of the base of the hill as 30°. Calculate the distance of the hill from the ship and the height of the hill.
 
Varshini asked a question
Subject: Maths, asked on on 30/5/16
Find A and B,if sin(A-B)=1/2 and cos(A+B)=1/2
K. Navinkumar asked a question
Subject: Maths, asked on on 27/8/16

If x = sin2 θ cos θ and y = cos2 θ sin θ, then : (x2y)2/3 + (xy2)2/3 = 1 x2 + y2 = x2y2 None of these
Harshitha asked a question
Subject: Maths, asked on on 10/2/17
  1. prove that tan2O - 2cos2O = 0. when theta = 600 and sinO = cosO  (O= theta)
Isamstudents Diana asked a question
Subject: Maths, asked on on 21/7/17
prove that sin raise to 6 theta+ cos raise to 6 theta+ 3sin square theta cos square theta=1
Krish asked a question
Subject: Maths, asked on on 30/11/17
Solve this:
In the adjoining figure ∠ABC = 
(A) 45o                            (B) 30o
(C) 60o                            (D) 50o
Farhah Firoz asked a question
Subject: Maths, asked on on 10/9/18
Show that cos thetha + cos 3thetha + cos 5thetha = cos 3thetha 2cos 2thetha+ 1 by using compound angle formula. [Cos A plus minus B = cos A cos B minus plus sin A sin B] Hence solve, cos thetha + cos 3thetha + cos 5thetha = 0 for greater than equal thetha less than equal pi
Amala Priya asked a question
Subject: Maths, asked on on 19/7/18
Prove that 1 + tan square alpha 1 + tan square alpha which is equal to 1 by sin square alpha minus 1 by sin 4 Alpha Hello
Varshini asked a question
Subject: Maths, asked on on 30/5/16
Find A and B,if sin(A-B)=1/2 and cos (A+B)=0
Hari asked a question
Subject: Maths, asked on on 4/12/17
In any triangle ABC prove thata2=(b+c)2sin2A2+(b-c)2cos2A2
Terry asked a question
Subject: Maths, asked on on 16/2/19
How to so this?
Yughashree asked a question
Subject: Maths, asked on on 5/6/18
(sec A − cosecA) (1 + tan A + cot A) = tan A sec A − cot A cosecA
Ruthra asked a question
Subject: Maths, asked on on 29/10/17
clear questions is here.....this is the questions
Q. tan-1x+a1-ax
Harish asked a question
Subject: Maths, asked on on 7/10/18
15cos theta = ?
Aashutosh Thakur asked a question
Subject: Maths, asked on on 21/4/18
All
Jeevarathinam asked a question
Subject: Maths, asked on on 20/10/19
Cosa/ 1+sina=1/a, prove that a^2-1 / a^2+1=sina
Riyas asked a question
Subject: Maths, asked on on 15/5/17
Find the value of
Ruthra asked a question
Subject: Maths, asked on on 29/10/17
what is the abs for this
Q.7. tan-1x+a1-ax
Nava asked a question
Subject: Maths, asked on on 29/12/17
Sin-1(sin(6π+7))
Harish asked a question
Subject: Maths, asked on on 27/10/17
Tan +sec=x show that 2tan=x-1÷x,2sec=x+1÷x hence show that sin=x^2-1÷x^2+1
Valli Suresh asked a question
Subject: Maths, asked on on 27/8/17
4th que
Lolita asked a question
Subject: Maths, asked on on 21/5/17
Solve this:
Farhah Firoz asked a question
Subject: Maths, asked on on 10/9/18
Another form of equation
Siva B asked a question
Subject: Maths, asked on on 24/5/17
Ans plz
Sudhakar asked a question
Subject: Maths, asked on on 6/5/17
√3-1)cosec 20+(√3+1) sec20=4√2
Farhah Firoz asked a question
Subject: Maths, asked on on 10/9/18
Show that cos thetha + cos 3thetha + cos 5thetha = cos 3thetha 2cos 2thetha+ 1 by using compound angle formula. Hence solve, cos thetha + cos 3thetha + cos 5thetha = 0 for greater than equal thetha less than equal pi
Farhah Firoz asked a question
Subject: Maths, asked on on 10/9/18
In form of equation
Harish asked a question
Subject: Maths, asked on on 7/10/18
(15cos theta) cos60degree - (15 sin theta)sin60degree = ?
Yazhini asked a question
Subject: Maths, asked on on 29/12/17
Prove that 1+ (cot^A+(1+cos^A))=cosecA
Vijayalakshmi asked a question
Subject: Maths, asked on on 3/7/20
Sin? 45? + cos?45?+ tan? 45?=
Hari asked a question
Subject: Maths, asked on on 28/1/19
plz answer this qn . i will mark u brainlist
What are you looking for?

Syllabus