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sin^2x+2cosx=2
4cos(x)=-1+cos(x)
tan(x)=2/3 and sec(x)=-sqrt13/3
tan(x)/1-cos^2(x)
tantheta/1-cos^2theta
solve this.
3 sin 2x = 2 sin x
cos2x=1/2 interval (0, pi) solve the equation
how to find all solutions of cos(x)= sin(x) in the interval [0,2(3.14))
Prove that : tanA + tan(A + π/3) + tan(A + 2π/3) = 3
There is a widely-known cultural “thing” that is supposed to occur at some
unknown future time. There are supposed to be some hints.
Four guys show up on horses arguing about one of the hints. Is it
-0.0176416458 or -0.8090169944?
We still don't know which one is correct, but just what is the hint?
(Yes, there is a little bit of trig involved)
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