Asked by o
given that x is in quadrant 1 and that sin x = 2/3, find exact the value for:
sin (3pi/8) = - √(1-√2) / (2√2)
is my answer correct?
sin (3pi/8) = - √(1-√2) / (2√2)
is my answer correct?
Answers
Answered by
Reiny
can't be correct , since √(1 -√2) is undefined
Where does the fact that sinx = 2/3 enter the picture?
Where does the fact that sinx = 2/3 enter the picture?
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