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हिन्दी लिपि नहीं बल्कि भाषा है ।
If Sin 3A = Cos (A - 46°) where 3A is acute angle, then the Value of A is
If tan θ = 4/3 and θ is an acute angle, find the value of sin θ + cos θ.
If tan α = 1/2, tan β = 1/3, then find α + β.
If x = r sin A cos B, y = r sin A sin B and z = r cos A, then find x² + y² + z².
sin2 9 ° + sin2 10 ° + sin2 11 ° + sin2 12 ° + ……… + sin2 81 ° = ?
...If 7sin²θ + 3cos²θ = 4, then find the value of θ?
If tan A = , find the va...