If `sinalpha=15/17` and `cosbeta=12/13` find the values of `sin(alpha+beta), cos(alpha-beta)` and `tan(alpha+beta)` .

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

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

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

If sin alpha=(3)/(5) and cos beta=(9)/(41) find the value of sin(alpha-beta) and cos(alpha+beta)

If sin alpha=(15)/(17) and cos beta=(12)/(13) find the values of: (i) "sin"(alpha+beta) (ii) cos(alpha-beta) (iii) "tan"(alpha+beta)

If alpha and beta are acute angles and sin alpha = (3)/(5) , sin beta = (8)/( 17), find the values of sin ( alpha + beta), cos (alpha pm beta), and tan ( alpha pm beta).

Find the value of (sin (alpha + beta))/(sin (alpha - beta)), "given that" tan alpha = 2 tan beta.

If 5tan alpha tan beta=3 , then find the value of (cos(alpha+beta))/(cos(alpha-beta))

If sinalpha=15/17 , cosbeta=12/13 and alpha and beta are in the first quadrant , find the values of sin(alpha+beta) , cos(alpha+beta) , and tan(alpha+beta)

If 3 sinalpha=5sin beta , then find the value of ("tan"(alpha+beta)/2)/("tan"(alpha-beta)/2)