" 13.If "sin a=(sqrt(3))/(2)" and "Cos beta=0" then find the value of "beta-a" ."

Given that sin alpha = (sqrt(3))/(2) and cos beta = 0 , then the value of beta - alpha is

Given that sin alpha = (sqrt(3))/(2) and cos beta = 0 , then the value of beta - alpha is

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

If sin beta + cos beta=(5)/(4) , then find the value of sin beta * cos beta .

If sin alpha+sin beta=2 then find the value of cos^(2)alpha+cos^(2)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 sin alpha + sin beta =2 , then find the value of cos^(2)alpha+cos^(2)beta .

If sin alpha.sinbeta - cos alpha.cos beta+1=0 , then find the value of cot alpha.tan beta .

In sin alpha+ sin beta=(1)/(2) and cos alpha+ cos beta =(5)/(4) , find the value of tan alpha+tan beta .