aidaruban aidaruban

10-11-2018
Mathematics

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I need to find x and r, but not in decimal form

I need to find x and r but not in decimal form class=

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CaraHyeona17 CaraHyeona17

10-11-2018

use trig to work out answer

e.g sin = opp/hyp

sin60 = 20/hyp

change sin60 into the form of a trig ratio i.e sin 60=(√3/4)=(√3)/2

Then figure out answer as normal using trig

hope this helps...

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