If `sinalpha=3/5` and `cosbeta=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 sin(alpha+beta),cos(alpha-beta) and tan(alpha+beta)

If sinalpha=1/2 and cosbeta=1/2 , then the value of (alpha+beta) is

If sinalpha=1/2 and cosbeta=1/2 , then the value of (alpha+beta) is

If sinalpha+cosbeta=5/4 and cosalpha+sinbeta=3/4 , then value of sin(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).

If sinalpha=(1)/(3) and cosbeta=(4)/(5), " then find " sin(alpha+beta) .

if cos alpha=(11)/(61) and sin beta=(4)/(5), find the values of sin^(2)((alpha-beta)/(2)) and cos^(2)((alpha+beta)/(2))

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

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

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)