Question

prove that(1+cotthita _cosecthita)(1+tantheta+sectheta)=2

Answer 1

I have used some basic formulas

Cot(theta) = cos(theta)/sin(theta)

Cosec(theta) = 1/sin(theta)

Tan(theta) = sin(theta)/cos(theta)

Sec(theta) = 1/cos(theta)

Sin^2(theta) + cos^(theta) = 1

Hope u get it