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Mathematics 17 Online
OpenStudy (anonymous):

sin2xsinx - cos2xcosx = -1

OpenStudy (anonymous):

Solve trig equation 0</= x < 2pi

OpenStudy (anonymous):

Um not really because its sinxcosy - cosxsiny

OpenStudy (aravindg):

perhaps -cos(A+B)

OpenStudy (aravindg):

A=2x B=x

OpenStudy (anonymous):

Hmmm

OpenStudy (aravindg):

did that help ?

OpenStudy (anonymous):

let me try that

OpenStudy (anonymous):

Oh i GOT IT!

OpenStudy (anonymous):

thank you!

OpenStudy (aravindg):

:) yw !!

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