omplementary angles to solve the following eq er. sin (a) a 8.

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Q: ÐM is an angle in a triangle with tan M = –7.12. Is ÐM acute or obtuse? Explain how you know.

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Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.