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catgirl17
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evaluate the expression without using a calculator.
(cos 30)^2  (sin 30)^2
 one year ago
 one year ago
catgirl17 Group Title
evaluate the expression without using a calculator. (cos 30)^2  (sin 30)^2
 one year ago
 one year ago

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psi9epsilon Group TitleBest ResponseYou've already chosen the best response.0
is 30 in radians or degrees
 one year ago

psi9epsilon Group TitleBest ResponseYou've already chosen the best response.0
use double angle formulas\[\cos (30)^2\sin(30)^2=\cos(2*30)=\cos(60)=0.5\]
 one year ago

psi9epsilon Group TitleBest ResponseYou've already chosen the best response.0
does that help
 one year ago
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