if sinA=1/2,find the value of cosA.Please give full process please.
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Answered by
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Step-by-step explanation:
sinA=1/2
By Pythagoras theorem:
H²= P²+B²
2²= 1²+B²
B²= 4-1
B = √3
cos A = B/H
= √3/2
hope this helps you..
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Answered by
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Answer:
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