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Asked Sep 8, 2019
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practice question, I attached a photo

Use the equivalent forms of the first Pythagorean identity.
and 0 terminates in QI
Find sin 0 if cos 0
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Use the equivalent forms of the first Pythagorean identity. and 0 terminates in QI Find sin 0 if cos 0

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Expert Answer

Step 1

The first Pythagorean identity is sin2 x...

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Math

Trigonometry

Trigonometric Ratios

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