Use fundamental identities to simplify the resulting expression.

Question

Make the trigonometric substitution

x = a sin θ for −π/2 < θ < π/2 and a > 0.
Use fundamental identities to simplify the resulting expression.

 

√a² − √x²
       x²

Answer 1

(a-asinT)/asinT

=(1-sinT)/sinT

=cscT -1