ERCISE 6 Evaluate, without using a calculator. cos 330°.sin 60° sin135° (a) tan 315°- 2 cos 60° + sin 210° (d) (b) cos 225° sin 570° + cos 240°- tan 135° tan 330° sin 410° (f) Cos 40°

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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.