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

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

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

What is the sum of sin ² 70 + sin ² 20 =? - Quora

be sin 70 cosec 20 2 Prove without using trigonometric tables

Prove that : `(i) (sin 70^@)/(cos 20^@)+(cosec 20^@)/(sec 70

Prove that: sin 70°/cos 20° + cosec 20°/sec70° - 2 cos 70° cosec 20° sec 70°= 0

SOLVED: Express the given product as a sum containing only sines

prove that- sin(70*+theta) - cos(20*-theta)=0 - Maths

If tan θ = a/b, find the value of cosθ + sinθ/cosθ - sinθ

sin^(2) 20^(@) + sin^(2) 70^(@))/(cos^(2) 20^(@) + cos^(2) 70^(@)) +

sin^(2)20+sin^(2)70 is equal to .

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