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OpenStudy (anonymous):
sin 36 value??
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OpenStudy (dls):
-0.99
OpenStudy (anonymous):
@DLS and the derivation of the value pls...
OpenStudy (dls):
Let 18=A...5A=90....2A+3A=90..2A=90-3A...sin(2A)=sin(90-3A)..sin(2A)=cos(3A)..put values of sin (2A) and cos(3A)get a quadratic and solve it..
OpenStudy (anonymous):
@DLS the value i asked is for sin36 not sin18!!! -_-
OpenStudy (dls):
Adjust karlo.
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