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Trigonometry
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OpenStudy (anonymous):
hmm someone pls check that for me :/ x=rcos(A+B) x=r(cosAcosB-sinAsinB) right?
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OpenStudy (kc_kennylau):
Yep
OpenStudy (anonymous):
Thanks but can it be simplified further?? After 2years im working with trigo :/
OpenStudy (shamim):
wt do u wanna find out?
OpenStudy (anonymous):
i wanna knw if it can be simplified further
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