Question

sin(90⁰-a)cos(90⁰-a)=tana/1+cot²(90⁰-a) prove that ​

Answer 1

Step-by-step explanation:

sin(90⁰-a)cos(90⁰-a)=tana/1+cot²(90⁰-a)

Answer 2

Step-by-step explanation:

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