Answered: cos B-sin(B4.sin (B4=cot B-12

Question

Asked Nov 3, 2019

I could use help on this question.

Thanks much.

cos B-sin(B
4.
sin (B
4
=cot B-1
2 — Image Transcription
cos B-sin(B 4. sin (B 4 =cot B-1 2

Expert Answer

Step 1

Known fact...

sin2 0cos20 1
cos A
cot A
sin A — Image Transcription
sin2 0cos20 1 cos A cot A sin A

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