Trigonometry "Soh Cah Toa"

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What is Cos(20) = 60/R ?

Guest Dec 10, 2013

Melody · Answer 1 · 2013-12-10T07:37:28

Anon Help:
What is Cos(20) = 60/R ?

Multiply both sides by R to get R off th bottom
then divide both sides by Cos20 to get R by itself
then do it on your calculator.