trignometry equation...

Geometry Level 3

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tan 9^O cot 9^O tan 3^O cot 3^O

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2 solutions

Hemang Sarkar
Jul 18, 2014

multiply and divide by cos(9)cos(27). use cos(3A) = 4(cosa)^3 - 3cosA.

did the same way but that O confused me!

Kartik Sharma - 6 years, 8 months ago

nice man!!!

Parth Lohomi - 6 years, 10 months ago

That "^O" thingy makes me a little bit confused.. I was thinking it was an exponent 0..

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