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∆ PQR is right-angled at Q. If ∠R = 60º, then find the value of cosec P.
If tan θ = 8/3 , then the value of (3Sinθ+2 Cosθ )/(3 Sinθ-2Cosθ) is
A man is standing at a point 40 meters away from a tower. The angle of elevation of the top of the tower from the point is 45°. After walking 20 meters...
Solve the following trigonometric expression:
If θ is a positive acute angle and cos² θ + cos⁴θ = 1, then the value of tan²θ + tan⁴θ is?
The value of (3tan10°-tan³10°)/(1-3tan²10°) is equal to
If x = 4 cos A + 5 sin A snd y = 4 sin A – 5 cos A, then the value of x2+y2 is :
If √3cosec 2x = 2, then the value of x:
If tan A = 
, find the va...
