Math, asked by mahidahmed1909, 2 months ago

6
State whether the function f(x)=cosx\1+sin^2x is even or odd


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Answers

Answered by brainlysme15
4

f(x)=\frac{cos(x)}{1+sin^2(x)}  is an odd function.

Recall that the definition of an even function is

f(x)=f(-x)

and the definition of an odd function is

f(x)=-f(x)

Let's check either of these properties for our function

f(x)=\frac{cos(x)}{1+sin^2(x)}

taking into account that cos(x) is an even function because

cos(x)=cos(-x)

and sin(x) is an odd function because

sin(-x)=-sin(x)

Thus,

f(-x)=\frac{cos(-x)}{1+sin^2(-x)}

          =\frac{cosx}{1+(-sin x)^2}

          =\frac{cosx}{1+sin^2x}

Therefore, f(x)=\frac{cos(x)}{1+sin^2(x)}  is an odd function.

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Answered by chachlepratik099
0

Step-by-step explanation:

State whether the function f(x) = (cos x)/(1 + sin x) is even or odd function.

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