Question

Prove that
sin A/1 + cos A=1 - cos A/sin A​

Answer 1

Answer:

sinA/1+cosA × 1-cosA/1-cosA

= sinA(1-cosA)

1-cos²A

= sinA(1-cosA)

sin²A

= 1-cosA

sinA

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Answer 2

Answer:

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