Recommended Questions
- (cos (pi+x)cos (-x))/(sin (pi-x) cos ((pi)/(2)+x)) =cot^(2)x
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- Prove that: (cos(pi+x)cos(-x))/(sin(pi-x)cos(pi/2+x))=cot^2x
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- (cos(pi+x)cos(-x))/(sin(pi-x)cos(pi/2-x))=cot^2x
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- Prove that: (cos(pi+x)cos(-x))/(sin(pi-x)cos(pi/2+x) = cot^2x
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- (cos(pi-x)cos(-x))/(sin(pi-x)cos(pi/2+x))=cot^(2)x
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- (cos (pi+x) cos (-x))/(sin (pi-x) cos ((pi)/(2)+x))=cot^(2)x
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- (cos (pi+x)cos (-x))/(sin (pi-x) cos ((pi)/(2)+x)) =cot^(2)x
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- (cos (pi+x)cos(-x))/(sin(pi-x)cos.(pi/2+x))= cot^(2)x
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- (cos (pi +x) cos (-x))/( sin (pi -x) cos ((pi )/(2) + x))= cot ^(2) x
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