Question: Use the trigonometric function values of quadrantal angles to evaluate the expression below.[cos (-90)]+ [sin (-90)][cos (-90)]+ [sin (-90)]=_____________ Use the trigonometric function values of

Use the trigonometric function values of quadrantal angles to evaluate the expression

below. [cos( + [sin (Simplify your answer, including any radicals. Use integers

Use the trigonometric function values of quadrantal angles to evaluate the expression below.[cos (-90°)]²+ [sin (-90°)]²[cos (-90°)]²+ [sin (-90°)]²=_____________

Use the trigonometric function values of quadrantal angles to evaluate the expression below. [cos( + [sin (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)

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