$k \in N, \int \frac{1-k \cos ^2 x}{\sin ^k x \cdot \cos ^2 x} d x=$

  • A
    $\frac{\tan x}{\sin ^{k+x}}+C$
  • B
    $\frac{\tan x}{\sin ^k x}+C$
  • C
    $\sin ^k x \sec ^2 x+C$
  • D
    $k \sin ^{k-1} x \cos x+C$

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જો $\int \frac{\sin ^{\frac{3}{2}} x+\cos ^{\frac{3}{2}} x}{\sqrt{\sin ^3 x \cos ^3 x \sin (x-\theta)}} d x=A \sqrt{\cos \theta \tan x-\sin \theta}+B \sqrt{\cos \theta-\cot x \sin \theta}+C,$ જ્યાં $C$ એ સંકલન અચળાંક છે,તો $AB$ ની કિંમત શોધો.

જો $\int e^{\sin ^2 x}(\sin x \cos x+\cos ^3 x \sin x) d x = e^{\sin ^2 x}(1+f(x))+c$ હોય, તો $f^{\prime}(x)=$

$\int \frac{dx}{1-\cos x-\sin x}$ ની કિંમત શોધો.

$\int \frac{2 \cos 2 x}{(1+\sin 2 x)(1+\cos 2 x)} d x=$

જો $I_n = \int \frac{\sin nx}{\cos x} dx$ હોય,તો $I_n =$

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