Rewrite as an expression that does not involve a fraction.

Cucufrog asked Oct 10, 2023

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14 votes

$Rewrite as an expression that does not involve a fraction.-example-1$

Cucufrog asked Oct 10, 2023

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8 votes

The pythagorean formula tells us that

$\sin ^2x+\cos ^2x=1$

Then,

$\sin ^2x=1-\cos ^2x$

Replacing this in the numerator, we obtain

$(\sin ^2x)/(1-\cos ^2x)=(1-\cos ^2x)/(1-\cos ^2x)=1$

Then, the expression is equal to 1.

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