If `alpha+beta+90^0` , find the maximum and minimum values of `s inalphas inbetadot`

If alpha+beta=90^0 , find the maximum and minimum values of sinalphasinbetadot

If alpha+beta=90^0 , find the maximum and minimum values of sinalphasinbetadot

If alpha+beta=c\ w h e r e\ alpha,beta>0 each lying between 0\ a n d\ pi//2 and c is a constant, find the maximum or minimum value of sinalpha+sinbeta b. sinalphasinbeta c. t a nalpha+t a nbeta

If alpha + beta = 90^0 , show that the maximum value of cos alpha.cos beta is 1/2 .

If sin alpha cos beta=-(1)/(2) then find the range of values of cos alpha sin beta

If alpha and beta are acute angles such that alpha+beta=lamda , where constant, find the maximum possible value of the expression sin alpha+sin beta+cos alpha+cos beta .

Let (alpha, beta) be an ordered pair of real numbers satisfying the equation x^(2)-4x+4y^(2)+3=0 . If the maximum and minimum value of sqrt(alpha^(2)+beta^(2)) are l and s respectively, then the value of (l-s)/(l+s) is

alpha, beta, gamma are real number satisfying alpha+beta+gamma=pi . The minimum value of the given expression sin alpha+sin beta+sin gamma is

If alpha and beta are complex numbers then the maximum value of (alpha barbeta+baralphabeta)/(|alpha beta|)= (A) 1 (B) 2 (C) gt2 (D) lt1

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).