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Mathematics 12 Online
OpenStudy (hang254):

Look at the figure. If sin y°= 7/q and tan y°= 7/r, what is the value of cos y°? cos y°= r/q cos y ̊= 7r cos y ̊= 7q cos y°= q/r

OpenStudy (hang254):

OpenStudy (anonymous):

i will try it later.

OpenStudy (hang254):

ok

OpenStudy (hang254):

@lalaly can you help me please?

OpenStudy (lalaly):

sin y=opposite/hypotenuse so 7 is the opposite and q is the hypotenuse|dw:1341340007076:dw| nd since tan=7/r and u know that tan=opposite/adjacent then adjacent =r

OpenStudy (lalaly):

|dw:1341340082466:dw|

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