Prove that : cos20°/sin70° + cosθ/sin(90° - θ) = 2 - Sarthaks
Prove that : cos20°/sin70° + cosθ/sin(90° - θ) = 2
Prove that: sin 70°/cos 20° + cosec 20°/sec 70° - 2 cos 70° cosec
सिद्ध कीजिए कि(cos theta)/(sin(90^(@)-theta))+(sin
Prove that: sin 70°/cos 20° + cosec 20°/sec70° - 2 cos 70° cosec 20° sec 70°= 0
सिद्ध कीजिए कि : (cos 20 deg)/(sin 70 deg) + (cos
Prove that : cos20°/sin70° + cosθ/sin(90° - θ) = 2 - Sarthaks
Prove the following: i sin θ sin90o θ cos θ cos 90o θ=0 ii cos90o
2((cos 65^(@))/(sin 25^(@))) - (tan 20^(@))/(cot 70^(@)) - sin 90
cos^(2) 20^(@) + cos ^(2) 70^(@) + sin 48^(@) sec 42^(@) + cos 40^(@) cosec
सिद्ध करो: (sin 70^(@))/( cos 20^(@))+(cosec 20^(@))/( sec