Question

sin A + sin B / cos B - cos A = cos A + cos B / sin A - sin B

Answer 1

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Here is your answer in the attachment


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Answer 2

Hi friends

Here is your answer

Sin A + sin B/cos. B- cosA= cosA +cosB/sinA - sinB

Multiplying both sides by
(sinA-sinB)(cosB-cosA). we get

Sin^2 A - sin^2 B = cos^2 B - cos^2 A

sin^2 A + cos^2 A = sin^2 B + cos^2 B

1 = 1

AS SIN^2 A + COS^2 A =1

PROVED

Hope it helps you

@ MSD