Mike J.

asked • 11/12/20

Trigonometry Identities Question

Which theorem justifies each statement?

Cos (68º) and Cos (22º) = Answer


Sin (160º) and Sin (20º) = Answer


Tan (187º) and Tan (7º) = Answer


Theorems : Complements / Supplements / Half-turn / Opposites / Pythagorean / None

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