NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Expert Answers
ALL
Kumar Rajesh
Subject: Maths
, asked on 14/5/18
Prove that: Cos 570.sin 510+sin(-330)cos(-390)=0
Answer
1
Dibyasree Sanyal
Subject: Maths
, asked on 12/5/18
Q.1. sin A = k sin (A + B). Prove that:
tan
A
+
B
=
sin
B
cos
B
-
k
.
Answer
2
Shourya Mishra
Subject: Maths
, asked on 10/5/18
Can we write:
cos^2 (90-A)=sin^2 A
Answer
1
अर्कज
Subject: Maths
, asked on 8/5/18
Example 6. If cos x = - 3/5 , x lies in the third quadrant, find the values of other five trigonometric functions.
Answer
2
अर्कज
Subject: Maths
, asked on 8/5/18
Explain
Answer
1
अर्कज
Subject: Maths
, asked on 8/5/18
Explain
Answer
2
अर्कज
Subject: Maths
, asked on 8/5/18
Explain
Answer
1
अर्कज
Subject: Maths
, asked on 8/5/18
Explain
Answer
1
अर्कज
Subject: Maths
, asked on 8/5/18
Explain
Answer
1
अर्कज
Subject: Maths
, asked on 8/5/18
Explain
Answer
2
अर्कज
Subject: Maths
, asked on 8/5/18
Explain trigonometric functions
Answer
1
अर्कज
Subject: Maths
, asked on 7/5/18
A wheel makes 360 revolutions in one minute . through how many radians does it turn in one second?
Answer
1
अर्कज
Subject: Maths
, asked on 7/5/18
If the arc of the same length in two circles subtend angles 65 degree and 110 degree at the centre , find the ratio of their radii
Answer
1
अर्कज
Subject: Maths
, asked on 7/5/18
Find the radius of the circle in whuch a central angle of 60 degrees intercepts an arc of length 37.4 cm
Answer
1
Alexis Sanchez
Subject: Maths
, asked on 7/5/18
Example 19:
If
tan
β
=
n
sin
α
cos
α
1
-
n
sin
2
α
, show that
tan
α
-
β
=
1
-
n
tan
α
Answer
1
Prev
3
4
5
6
7
Next
What are you looking for?
cos^2 (90-A)=sin^2 A