Prove that : cos20°/sin70° + cosθ/sin(90° - θ) = 2 - Sarthaks

Prove that : cos20°/sin70° + cosθ/sin(90° - θ) = 2

Evaluate : secθ .cosecθ (90-θ ) - tanθ cot (90-θ )+ sin^2 55 + sin

सिद्ध कीजिए कि : (cos 20^(@))/(sin 70^(@)) + (cos

Prove the following: i sin θ sin90o θ cos θ cos 90o θ=0 ii cos90o

How to prove that sin 20° + 2 sin 40° = sqrt(3) cos 20° - Quora

सिद्ध कीजिए कि : (cos 20 deg)/(sin 70 deg) + (cos

cos20/sin70 + 2costheta/sin (90-theta) = k/2 find k​

सिद्ध कीजिए कि : (cos 20 deg)/(sin 70 deg) + (cos

How to prove sin 70°/cos 20° = 1 without using a trigonometry

cos 70^(@))/(sin 20^(@)) + (cos 59^(@))/(sin 31^(@) ) - 8 sin^(2