Just for fun!-XIX

Geometry Level 1

tan ⁡ ( 90 ° − θ ) cot ⁡ θ csc ⁡ 2 θ − cos ⁡ 2 θ \frac { \tan { (90°-\theta )\cot { \theta } } }{ {\csc }^{ 2 }\theta } -{\cos }^{ 2 }\theta

Evaluate the expression.


The answer is 0.

Swapnil Das by Swapnil Das , 20, India

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1 solution

Raj Rajput
Aug 24, 2015

6 Helpful 0 Interesting 0 Brilliant 0 Confused

You have a great handwriting

Aditya Chauhan - 5 years, 9 months ago

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Thank you :) :)

RAJ RAJPUT - 5 years, 9 months ago

Who knows csc=cosec?

Samiran Basu - 3 years, 10 months ago

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