Evaluate 3sin x – 4 sin3 x and figure out the correct answer from below option ?
If tan A = 4/3, 0 ≤ A ≤ 90°, then find the value of sec A.
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sin2 7˚ + sin2 9˚ + sin2 11˚ + sin2 12˚ + ……… + sin2 83˚ = ?
if 8 sin 2 x + 3 cos 2 x = 4 then find tan x
Simplify: sin 780° sin 480° + cos 120° sin 30°
The value of sec2 45˚ + 2 tan 135˚ is –
If sec²x + csc²x = 10, find the value of tan²x + cot²x.
