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Trigonometry 5 Online

OpenStudy (anonymous):

hmm someone pls check that for me :/ x=rcos(A+B) x=r(cosAcosB-sinAsinB) right?

12 years ago

OpenStudy (kc_kennylau):

Yep

12 years ago

OpenStudy (anonymous):

Thanks but can it be simplified further?? After 2years im working with trigo :/

12 years ago

OpenStudy (shamim):

wt do u wanna find out?

12 years ago

OpenStudy (anonymous):

i wanna knw if it can be simplified further

12 years ago

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