Question

integralsinintegral sin square x + cos square X upon sin square x cos square x into DX

Answer 1

$\int\limits^ {} \,\frac{sin^{2}x+cos^{2}x }{sin^{2}xcos^{2}x}  dx$

divide by denominator

$\int\limits^ {} \,sec^{2}x+ cosec^{2}x dx$

=tanx-cotx+C

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