If sec A + tan A = 3 then the value of cot A is:
Evaluate 3sin x – 4 sin3 x and figure out the correct answer from below option ?
tan 1˚ × tan 2˚× …………………….tan 88˚ × tan 89˚ = ?
If (sinθ+cosθ)/(sinθ-cosθ) = 2, then the value of sin4 θ is
If tan θ + cot θ = 2 where 0 < θ < 90 ; find the value of tan30 θ + cot 29 θ.
If Sin 3A = Cos (A - 46°) where 3A is acute angle, then the Value of A is
sin2 7˚ + sin2 9˚ + sin2 11˚ + sin2 12˚ + ……… + sin2 83˚ = ?
What is the value of cos [(180 – θ)/2] cos [(180 – 9θ)/2] + sin [(180 – 3θ)/2] sin [(180 – 13θ)/2]?