SOLUTION: What is {{{tan(theta)}}} if {{{cos(pi+theta)=sin(theta)}}}?

Question 1107874: What is if ?
Answer by ikleyn(52805) (Show Source): You can put this solution on YOUR website!
.

If   =   then

 =  =  = -.


Thus,  if  {{cos(pi+theta)}}} =   then   = -.


Hence,  if   = ,  then   =  = -1.


It implies   = .

Solved.

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