Let sin t=a, cost3b, and tan t= c. Write the expression in terms of a, b, and c. cost+ cos (t+1000x)- tant- tan (t+ 999x) - sin t+4 sin (t- 1800x) The answer is (Simplify your answer.)

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A:

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A:

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Q: Multiply and simplify. (1 + tan ß)² (1 | + tan ß)² = [ (Simplify your answer.)

A:

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.