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cricket20 [7]
3 years ago
7

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. Ple

ase help!

Mathematics
1 answer:
Readme [11.4K]3 years ago
5 0
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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<h3>What is Algebra?</h3>

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

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