Math, asked by Quinnzel, 10 months ago

Let a=4, b=3, and c=5, and the angle theta between the lines b and c. Find cos 2theta. You may right your answer as a fraction

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Answered by sakshamsingh200

1

Answer:

the explain i think is not possible here but u can follow me on insta and the answer i got by solving properly on my notebook is 55 degree

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