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Find cos (x - pi/2) if sin = 4/7
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5 votes
Find cos (x - pi/2) if sin = 4/7

User Amit Verma
by
7.7k points

1 Answer

7 votes

Explanation:

Same value 4/7

these are complimentary angles so the sin of one is the cos of the other .

User Mpontus
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6.9k points
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