If `cosA=12/13`, find the value of sin 3A.

If cosA = 5/13 , find the value of tan A + cot A

If sinx=(5)/(13) and cosx=-(12)/(13) , find the value of sin 2x.

If cosA+cos^2A=1, find the value of sin^2A+sin^4A.

If cosA=3/5 , then find the value of (sinA-cosA)/(2tanA)

If A is in the fourth quadrant and cosA=(5)/(13) , find the value of (13sinA+5secA)/(5tanA+6" cosec A") :

If sin alpha=15/17 and cos beta=12/13 , find the values of : sin (alpha+beta) .

If sin A = 12/13 , then find the value of cos A.

If sinA=cosA,then find the value of sin 2A.

If sinA=cosA,then find the value of sin 2A.

If 3cotA=2 , then find the value of (4sinA-3cosA)/(2sinA+3cosA)