1.

1+cosA+sinA/ 1+cosA-sinA = 1+sinA/cosA prove this​

Answer»

Step-by-step explanation:

1+cosA+sinA/1+cosA-sinA=1+sinA/cosA

taking LHS

1+cosA+sinA/1+cosA-sinA

1²+cos²A+sin²A/1²+cos²A-sin²A

1+1/cos²A+sin²A+cos²A-sin²A



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