Find the fourth roots of 81 (cos 120° +i sin 120°) Enter the first root below and the remainder of the roots on your scratch раper. The first root is (cos degrees +i sin degrees). There will be a total of root(s). The remainder of the roots are listed on my scratch paper. Submit Answer

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Q: Give the exact value of each expression in simplest radical form. 33.) a. cos 45° 34.) a. sin(-45°)…

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Q: Determine if true sin 60°cos 45° +cos 60° sin 45° = sin 105

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Q: 74. Error Analysis Describe the error.cos 60° = opphyp = 12

A: Given: cos60°=oppositehypotenuse=12 To determine: The error in the given statement.

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.