Grade 11Trigonometry
if a^2+b^2 +2abcostheta = 1 x^2 + y^2 =2xycostheta = 1and ax +by +costheta(ay +bx ) =0then prove that a^2 + b^2 =cosec^2 theta
if a^2+b^2 +2abcostheta = 1
x^2 + y^2 =2xycostheta = 1
and ax +by +costheta(ay +bx ) =0
then prove that a^2 + b^2 =cosec^2 theta
