Question

help me prove this question

Answer 1

Please refer the above photograph for the used process.

KEY POINTS USED :-

• secA = 1 / cosA

• (1+sinA)² = 1+sin²A + 2sinA

• sin²A + cos²A = 1 ( Trigonometric identity)

• Basic concept of taking LCM.

NOTE :-

The questions of trigonometry can solved using several ways.

I have solved using the common way and the easiest one. The same question can be solved using many ways.

So,

If you find any other type of solution for the same problem, Don't get confused.

Thanks!