[" 22.If "x=sec phi-tan phi" and "y=cos co phi+cot phi,quad " then "],[" 1) "x=(y+1)/(y-1)quad " (2) "x/(y-1)/(y+1)quad " 3) "x=(1+x)/(1-x)]

Similar Questions

Explore conceptually related problems

If x=sec phi-tan phi and y=cos ec phi+cot phi then

If x=sec phi-tan phi and y=cos ec phi+cot phi, then

If x = sec phi - tan phi and y = cos ec phi + cot phi , then

If x=sec phi-tan phi and y=csc phi+cot phi then x=(y+1)/(y-1)( b) x=(y-1)/(y+1)y=(1+x)/(1-x)(d)xy+x-y+1=0

If sin^(-1)x= theta +phi and sin^(-1)y = theta - phi , then: 1+xy =

If phi (x)=phi '(x) and phi(1)=2 , then phi(3) equals

If tan theta + tan phi = x "and" cot theta + cot phi = y, "prove that " cot ( theta + phi) = 1/x -1/y

if tan theta+tan phi=x and cot theta+cot phi=y prove that cot(theta+phi)=(1)/(x)-(1)/(y)

If phi(x)=phi'(x) and phi(1)=2, then phi(3) equals