4 years ago

Which expression is equivalent to (1-sin^2x)(sec x)

1 answer:

8 0

(1-sin²x)(sec x)

(1-sin²x) = cos²x (since sin²x +cos²x = 1)

(sec x) = 1/cosx

(cos²x) . (1/cosx) ==>(cos²x)/cosx) ==> ===> cosx

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