SOLUTION: find the value of: sin (-pi over 6)
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Question 60840
:
find the value of:
sin (-pi over 6)
Answer by
chitra(359)
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The given question is:
Sin (-pi/6)
We know that sin (- theta) is noth8ing but - sin (theta)
That is
sin(-x) = - sin (x) [ here i have written x instead of theta]
Therefore,
Sin(-pi/6) = - sin(pi/6)
= - sin (30)
This value lies in the 3rd quadrant
and thus the value of this is -1/2