Question

show that √1 + sin A \ 1 - sin A= sec A

Answer 1

Solution is in attachment

More trigonometric formulas :-

• 1 / sin θ = cosec θ

• 1 / tan θ = cot θ

• 1 / cos θ = sec θ

• sin²θ + cos²θ = 1

• sec²θ - tan²θ = 1

• cosec²θ - cot²θ = 1