In Exercises 1-4, verify the identity. 1. sin( / 2 - x) = cos x 2. sin(
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1. sin(π / 2 - x) = cos x
2. sin(π / 2 - x) = cos x
3. sin(π / 6 + x) = 1 / 2(cos + √3 sin x)
4. cos(5 π / 4 - x) = -√2 / 2(cos x + sin x)
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1 sin 2 x sin 2 cos x cos 2 sin x 1cos x 0sin x cos x ...View the full answer
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