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OpenStudy (anonymous):
the expression cosx+tanx can be simplified to..?
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OpenStudy (anonymous):
A. secx B. cscx C. cotx D. cosxsinx
OpenStudy (anonymous):
tanx = sinx/cosx try cross multiplying, and see where that takes you.
OpenStudy (lgbasallote):
not cross multiplying...you actually find the LCD which is i think what @nuk64 meant
OpenStudy (anonymous):
^yes, thanks. that's a better mathematical explanation for it.
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