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OpenStudy (anonymous):
sin(a+b) = sinacosb-cosasinb for all values of a and b true or false?
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OpenStudy (anonymous):
wats ur pick?
OpenStudy (anonymous):
I'm pretty sure it's false.
OpenStudy (anonymous):
Then thts correct....y is tht?
OpenStudy (anonymous):
\[\sin(a+b) = \sin(a)\cos(b)+\cos(a)\sin(b)\]
OpenStudy (anonymous):
It's false.
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OpenStudy (anonymous):
yep thts right
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