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Mathematics 19 Online
OpenStudy (anonymous):

Please help me. Pre-cal question. Will show pic :)

OpenStudy (anonymous):

Here it is

OpenStudy (anonymous):

noone? xD

OpenStudy (anonymous):

hello :)

ganeshie8 (ganeshie8):

\(\large \tan(\alpha + \beta) = \frac{\tan(\alpha) + \tan(\beta)}{1-\tan(\alpha)\tan(\beta)}\)

OpenStudy (anonymous):

sum / difference formula uh huh

ganeshie8 (ganeshie8):

yes, find out tan ratios for each angle and plugin

OpenStudy (anonymous):

do you mean tan ratios as in, (3/5)/(-12/13) since tan is sin/cos??

OpenStudy (anonymous):

confused sry

ganeshie8 (ganeshie8):

Nope, you cannot divide apples and coconuts

ganeshie8 (ganeshie8):

3/5 is sin BETA -12/13 is cos ALPHA both are different things ok ?

OpenStudy (anonymous):

yes sir

OpenStudy (anonymous):

how do i progress this equation once i know the formula

OpenStudy (anonymous):

which is what im confused about

ganeshie8 (ganeshie8):

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