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Mathematics, 19.07.2020 01:01 ellenharley7
Prove the identity.
cos2x - sinā2x = 2 cos2x - 1
Note that each Statement must be based on a Rule chosen from the Rule menu.
cos2x - sinā2x
A. Algebra.
B. Reciprocal.
C. Quotient.
D. Pythagorean.
E. Odd/Even.
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Answers: 3
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You know the right answer?
Prove the identity.
cos2x - sinā2x = 2 cos2x - 1
Note that each Statement must be based on a...
Note that each Statement must be based on a...
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