Ellsworth J. answered • 11/08/23
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Natalie N.
asked • 11/07/23Verify the identity by converting the left side into sines and cosines. (Simplify at each step.
5 cot2(y)(sec2(y) − 1) = 5
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2 Answers By Expert Tutors
Mark M. answered • 11/08/23
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Mathematics Teacher - NCLB Highly Qualified
sec2 y = 1 + cot2 y, This is a Pythagorean Identity. Learn it.
Now substitute and simplify.
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