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Question 1
sin2 21 º + sin2 69 º is equal to
Question 2
If 5 
+3 
= 4, find the value of sin
and cos
.
+3 = 4, find the value of sinand cos. Question 3
= 
then find cosθ - sinθ =? Question 4
If 
then the value of 
is
then the value of is Question 5
Solve the trigonometric equation given by sin(x) + sin(x/2) = 0 for 0 ≤ x ≤ 2π.
Question 6
If A, B and C be the angles of a triangle, then out of the following, the incorrect relation is:
Question 7
Find the value of tan2θ – sec2θ ?
Question 8
Find the value of 
(2k-1) 
.
(2k-1) . Question 9
If cos4x + cos2x = 1 than find tan4x + tan2x = ?
Question 10
If sec2 θ + tan2θ = 5/3, then what is the value of tan2θ?
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Nov 17SSC & Railway
