Question

simplify (1+tanQ) (1-sinQ)(1+sinQ)​

Answer 1

Step-by-step explanation:

(1+tanQ^2) = secQ^2

(1-sinQ^2) = cosQ^2

remember : secQ = 1/ cosQ

so

(1+tanQ^2)(1-sinQ^2)(1+sinQ^2)

(secQ^2)(cosQ^2)(1+sinQ^2)

( 1/cosQ^2)(cosQ^2)(1+sinQ^2)

= 1 (1+sinQ^2) = 1+ sinQ^2 answer