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Khushboo
Subject: Maths
, asked on 9/3/18
Answer the icse board question(2018)."DO NOT SEND ANY LINKS". CHAPTER :?TRIGNOMETRY
Q(b) Prove that :-
sec
2
θ
+
cosec
2
θ
=
tan
θ
+
cot
θ
Answer
1
Priyanka
Subject: Maths
, asked on 25/2/18
Prove that tanA/sin^3/cosA+sinA+cosA=1 no linkplzz
Answer
5
Priyanka
Subject: Maths
, asked on 24/2/18
Sir plzz solve the 7 th questiin and i also want a answer for the sixth question. Sir no link plzz
Answer
1
Priyanka
Subject: Maths
, asked on 24/2/18
Plzz solve the third question no link plzz
Q.3. Given A = 60
°
and B = 30
°
Prove that
tan
(
A
+
B
)
=
tan
A
+
tan
B
1
-
tan
A
tan
B
Answer
1
Priyanka
Subject: Maths
, asked on 24/2/18
Nol link plzz 4/3 tan^2 30 + sin^2 60 -2cos^2 60 -2cos^2 60 +3/4 tan^2 60 -2tan^2 45
Answer
1
Priyanka
Subject: Maths
, asked on 24/2/18
4/3 tan^2 30 +sin^2 60 -2cos^2 60 - 2cos^2 60 +3/4 tan^2 60 - 2 tan^ 2 45
Answer
1
Priyanka
Subject: Maths
, asked on 22/2/18
Prove that tan A/sin^3 / cos A+sin A ?cosA
Answer
1
Priyanka
Subject: Maths
, asked on 22/2/18
Prove that sin 58/ cos 32=cos(90-58)/cos 32= cos 32/sin 58=1
Answer
1
Priyanka
Subject: Maths
, asked on 22/2/18
4/3tan^30 +sin^2 60-2cos^2 60 -2cos^2 60 +3/4 tan^60 -2tan ^2 45
Answer
2
Priyanka
Subject: Maths
, asked on 22/2/18
cos^2 30 +sin 30 + tan ^2 45 + sin ^3 90
Answer
1
Priyanka
Subject: Maths
, asked on 22/2/18
(sin 20/cos 20)^2+ ( cos 62 / sin 28)- sin^2 30
Answer
1
Khushboo
Subject: Maths
, asked on 15/2/18
"DON'T SEND THE SIMILAR QUERIES.KINDLY PERFORM THE STEP BY STEP AND APPROPRIATE ANSWER". Answer (ii)
11 (ii) If 20
o
+x is acute angle and cos (20
o
+ x) = sin 60
o
, then find the value of x.
Answer
1
Khushboo
Subject: Maths
, asked on 15/2/18
"DO NOT SEND SIMILAR QUERIES?.
Q.6. Find the values of
(i)
1
-
cos
2
30
°
1
-
sin
2
30
°
Answer
2
Khushboo
Subject: Maths
, asked on 15/2/18
"DO NOT SEND SIMILAR QUERIES?" Answer (ii)
Q.4. Prove that
(ii).
4
sin
4
30
°
+
cos
4
60
°
-
3
cos
2
45
°
-
sin
2
90
°
=
2
Answer
1
Khushboo
Subject: Maths
, asked on 15/2/18
I have said many times that "DO NOT SEND SIMILAR QUERIES BECAUSE LINK COULD NOT BE OPENED DUE TO SOME TECHNICAL PROBLEM".So Expert Ashutosh kindly do not send link.?
-Repeating the question:-?
Q.3. Find the values of
(i)
sin
60
°
cos
2
45
°
-
3
tan
30
°
+
5
cos
90
°
Answer
2
1
2
3
4
5
Next
What are you looking for?
Q(b) Prove that :-
Q.3. Given A = 60 and B = 30
Prove that
11 (ii) If 20o +x is acute angle and cos (20o + x) = sin 60o, then find the value of x.
Q.6. Find the values of
(i)
Q.4. Prove that
(ii).
-Repeating the question:-?
Q.3. Find the values of
(i)