alyssababy7
Find the exact value of the expression. sin1 (0.5)
a. pi/6
b. pi/3
c. 7pi/3
d. 7pi/6



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dumbcow
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Unit Circle :)

campbell_st
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here is an exact ratio triangle dw:1353131267141:dw
just work it out using sin = Opp/hyp

alyssababy7
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would it be B

campbell_st
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sin of which angle will give a ratio of 1/2..? and its not B

alyssababy7
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I just don't understand this

campbell_st
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ok... so 1/2 is the same as a half...
so which which angle has the opposite side equal to 1
dw:1353131907526:dw