Question

integration cos x / sin⁷x dx ​

Answer 1

Answer:

f(x)=sin

7

x

According to properties of integral,

If, f(-x)=-f(x) then

∫

−a

a

f(x)dx=0

So,

As,

f(−x)=sin

7

(−x)

=(−1)

7

sin

7

x

=−sin

7

x

=−f(x)

So,

∫

−

2

π

2

π

sin

7

xdx=0

Step-by-step explanation:

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Answer 2

Answer:

what is this . tell please