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If sine of x equals 1 over 2, what is cos(x) and tan(x)? Explain your steps in complete sentences.

2 Answers

5 votes
Hint: Pythagorean Trig Identitysin2(x)+cos2(x)=1
User Wbyoung
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In the triangle , hypotenuse = 2 and opposite side = 1 so adjacent side = sqrt 3 . You get this using the Pythagoras theorem.
So cos x = adj/hyp = sqrt3 / 2 and tan x = opp/adg = 1 / sqrt3
User Kanjie Lu
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