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If cos65° = 0.4226, then sin25° =_____________. Explain the reasoning used to answer these two questions.

If cos65° = 0.4226, then sin25° =_____________. Explain the reasoning used to answer these two questions.
asked 146k views
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If cos65° = 0.4226, then sin25° =_____________. Explain the reasoning used to answer these two questions.

asked
User Ahmad Ali Nasir
by
8.4k points

1 Answer

4 votes

Answer:

0.4226

Explanation:

Sin(90 - X) = Cos(X)

Sin(25) = Sin(90 - 65) = Cos(65)

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User Hughgo
by
7.8k points
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