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If √3cosec 2x = 2, then the value of x:
Suppose 140sin²X + 124cos²X = 136 and 184sin²Y + 200cos²Y = 196, then determine the value of 18cosec²Xsec²Y.
The angle of elevation of the top of a 70 feet tall tower from the initial position of a person on the ground was 30°. She walked towards the tower in ...
A person is standing at a point 120 meters away from a tower. The angle of elevation to the top of the tower is 60°. If the height of the tower increas...
If 2ycosθ = x sinθ and 2xsecθ – ycosecθ = 3, then x 2 + 4y 2 = ?
If tan 4θ = cot 14θ, then find the value of cos 9θ.
Find the exact value of cos120°
If 9 sinx + 40 cosx = 41 then find tanx.
If {(tanx)/(secx)} × cosx = (1/2), then determine the value of ‘sin2x’.
What is the value of cos75°?
