shelbeegoleyp3cnlv shelbeegoleyp3cnlv

30-01-2018
Mathematics

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I need help on number 59. It makes no sense to me, I cannot figure out how I would use Pythagorean identities to solve this. Please help!

I need help on number 59 It makes no sense to me I cannot figure out how I would use Pythagorean identities to solve this Please help class=

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tlf5573 tlf5573

01-02-2018

If you have never used a unit circle, I recommend making one.
R for the following degrees are
30*= 4((3^1/2)/2)^2
60*= 8(2^1/2)(2^1/2)^2
90*= (8((3^1/2)/2))/4

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