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a1234
 one year ago
Multiply, and then use the fundamental identities to simplify the expression below and determine which of the following is not equivalent.
A. 1  2cos^2x
B. sin^2 x  cos^2 x
C. 2 sin^2 x  sec^2 x  tan^2 x
C?
a1234
 one year ago
Multiply, and then use the fundamental identities to simplify the expression below and determine which of the following is not equivalent. A. 1  2cos^2x B. sin^2 x  cos^2 x C. 2 sin^2 x  sec^2 x  tan^2 x C?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0what's the original expression

a1234
 one year ago
Best ResponseYou've already chosen the best response.0It's (sin x + cos x)(sin x  cos x)
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