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cwrw238
 2 years ago
Best ResponseYou've already chosen the best response.2try changing everyhthing to sin and cos 1 / cos x ( sin x * sinx) / cos x =(1  sin^2 x) / cos x and what is (1  sin^x) equal to ?

tcasey0478
 2 years ago
Best ResponseYou've already chosen the best response.0I don't understand the step "=(1  sin^2 x) / cos x" What rule is used to get here?

tcasey0478
 2 years ago
Best ResponseYou've already chosen the best response.0I see it now, they share a common denominator of cosx so they are combined, thank you.
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