solve the equation given above
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Answer:
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Answered by
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Answer:
cos theta = 4/5 .
Step-by-step explanation:
sin theta = 3/5
sin^2 theta = (3/5)^2
sin^2 theta = 9/25.
Using identity sin^2 theta + cos ^2 theta = 1
(9/25) + cos ^2 theta = 1
cos ^2 theta = 1 - (9/25)
cos ^2 theta = (25-9)/25
cos^2 theta = 16\ 25
cos theta = √ 16/25
cos theta = 4/5 .
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