Prove that : cos20°/sin70° + cosθ/sin(90° - θ) = 2 - Sarthaks
4.7 (108) · $ 20.99 · In stock
Prove that : cos20°/sin70° + cosθ/sin(90° - θ) = 2
Prove the following: i sin θ sin90o θ cos θ cos 90o θ=0 ii cos90o
sin 70 Prove that cos 20 sec 70 cosec20_2cos 70 - cosec20 = 0.
The value of (sin 20^(@)cos70^(@)+ cos20^(@)sin70^(@))/(sin23^(@)cosec23^(@)+cos23^(@)sec23^(@))
cos70^(@), sin20^(@)], [sin70^(@), cos20^(@)]
3 Find the value of ( k , ) ( frac { cos 20 ^ { circ } } { sin 70
मान निकालें - (cos20^(@))/(sin70^(@))+(cos theta)/(sin
Prove that : `(i) (sin 70^@)/(cos 20^@)+(cosec 20^@)/(sec 70
Simplify: `(sin 8theta cos theta - sin 6theta cos 3theta)/(cos
Prove that: Sin 70/cos 20 cosec20/sec 70 -2cos 70 cosec 20 = 0? - EduRev Class 10 Question
xvi)(sin70^(@))/(cos20^(@))+(cosec36^(@))/(sec54^(@))-(2cos43
सिद्ध कीजिए कि(cos theta)/(sin(90^(@)-theta))+(sin
