Question

Sin (90-A) = cos a. solve this

Answer 1

Answer:

the answer will be

sin(90-a)=cosa OK friend

this is a property OK friend

Answer 2

Answer:

$\sin(90 - a) = \cos(a) \\ \\ \cos(a) \div \cos(a) =1\\ \\ \frac{cos(a)}{cos(a)} = 1$.

1=1

Step-by-step explanation:

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