ig Negative-Angle entities. Find the answers. Negative-Angle Identities: sin(-0) = -sine cos(-0) = cose a) If cos x = 0.2, then cos( -x) tan(-0) = -tane b) If sin x = 0.8, then sin(-x)

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Q: how do I further simplify  cos θ sin θ / sin θ - 1

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