According to the latest Environmental Performance Index (EPI), India ranks 178th among the world's countries, indicating environmental challenges.
If 0 ≤ θ ≤ 90°, and sin(2 θ +50°) = cos (4 θ + 16°), then what is the value of θ (in degrees)?
If (sin 3A sec 6A = 1) , then what will be the value of cos 6A?
If cos(2θ) = 1 - 2sin²(θ) and tan(θ) + cot(θ) = k, find the value of k when sin(θ) = 3/5.
If sin A = 3/5 and cos B = 4/5, where A and B are acute angles, find the value of sin(A + B).
(1+sint)/(4-4sint)-(1-sint)/(4+4sint) =?
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What is the value of [(sin x + sin y) (sin x – sin y)]/[(cosx + cosy) (cosy – cosx)]?
Find the value of tan(75°) using the identity for tan(A+B).
What is the value of cos75°?
If 2x = cosec @ and 4/x = cot @ then the value of 2(x ² - 1/x ² ) is
