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Express the ratios cosA, tanA and sec A ...

Express the ratios cosA, tanA and sec A in terms of sin A.

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To express the ratios cos A, tan A, and sec A in terms of sin A, we can follow these steps: ### Step 1: Write the Pythagorean Identity We start with the Pythagorean identity: \[ \sin^2 A + \cos^2 A = 1 \] ...
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