Prove that : cos20°/sin70° + cosθ/sin(90° - θ) = 2 - Sarthaks
Prove that : cos20°/sin70° + cosθ/sin(90° - θ) = 2
मान निकालें - (cos20^(@))/(sin70^(@))+(cos theta)/(sin
sec70^(@)sin20^(@)+cos20^(@)cosec70^(@)=2`
सिद्ध कीजिए कि(cos theta)/(sin(90 deg - theta)) + (sin theta)/(cos(90 deg - theta)) = 2
ii. f-g 8) Prove that cos 20 cos - cos 30 cos = sin50 sin The
cos20/sin70 + 2costheta/sin (90-theta) = k/2 find k
be sin 70 cosec 20 2 Prove without using trigonometric tables
सिद्ध कीजिए कि(cos theta)/(sin(90 deg - theta)) + (sin theta)/(cos(90 deg - theta)) = 2
Prove that sin8θcosθ - sin6θcos3θ/cos2θcosθ - sin3θsin4θ = tan 2θ
sin^(2)20+sin^(2)70 is equal to .
2((cos 65^(@))/(sin 25^(@))) - (tan 20^(@))/(cot 70^(@)) - sin 90^(@) + tan5^(@) tan 35^(@) tan6
Prove that : cos20°/sin70° + cosθ/sin(90° - θ) = 2 - Sarthaks
sin^(2)20^(@)+sin^(2) 70^(@))/(sin thetacos(90^(@)-theta)+cos
मान निकालें - (cos20^(@))/(sin70^(@))+(cos theta)/(sin