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1 vote
Hi !! can someone help prove these please

Hi !! can someone help prove these please-example-1

1 Answer

1 vote

Explanation:

Here's the first one for ya. I can't tell what the first denominator of the second one is [CosB, CscB, or SecB?], so unless you get back to me on that, then I can't help you with it.

Hi !! can someone help prove these please-example-1
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