Question

if k +1 = sec2theta (1-sin2theta), then find the value of k​

Answer 1

k+1=sec^2(theta)(1-sin^(theta))

When solved all terms cancel out

k + 1 = (sin(a) - 1) (sin(a) + 1) (-sec^2(a))

1 + k = (1 - sin^2(a))/(cos^2(a))

Equation reduced to-

k+1=1

k=0