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Use the suggested substitution to write the expression as a trigonometric expression. Simplify your answer as much as po

Posted: Tue May 10, 2022 10:41 am
by answerhappygod
Use the suggested substitution to write the expression as a
trigonometric expression. Simplify your answer as much as possible.
Assume 0≤θ≤π20≤θ≤π2.
9x2+81⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯√9x2+81, x3=cot(θ)