Time remaining:
how to find exact value?

Mathematics
Tutor: None Selected Time limit: 1 Day

Cot200degree times -Cot 70degree

Dec 3rd, 2014

cot200 = 1/tan200 = 1/tan20 (because 180 is the reference angle)

 -cot70 = -1/tan70 

(1/tan20)(-1/tan70) = -1/ (tan20)(tan70)

Dec 3rd, 2014

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Dec 3rd, 2014
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Dec 3rd, 2014
Dec 8th, 2016
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