Question

if cosec thita = 2x and cot thita = 2/x , find the value of 2( x square - 1/x square ) ​

Answer 1

Answer:

x=(1/2)cosec theta, 1/x =(1/2)cot theta

x^2 = (1/4) cosec^2 theta

(1/x)^2=(1/4)cot^2 theta

2(x^2- (1/x)^2 )= 2×(1/4)(cosec^2 theta- cot^2 theta)=2×(1/4)×(1) = 1/2Ans