Answer:
steps
Step-by-step explanation:
1 / 1 - sinθ + 1 / 1 + sinθ = ((1 + sinθ) + (1 - sinθ)) / (1 - sinθ) x (1 + sinθ)
= 2 / (1 - sin²θ) = 2 / cos²θ
= 2 sec²θ
