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Solve Cos[x]^2=1/2 in n[0,2Pi] geometrical

Posted 10 years ago

I succed to plot the two functions

Plot[{Cos[x]^2, 1/2}, {x, 0, 2 Pi}, Ticks -> {{0, Pi/2, \[Pi], 2 \[Pi]}, Automatic}]

Can you make mathematica spot in the graf where the function crosses each other? (for a demonstration task)

POSTED BY: peter B
POSTED BY: Isaac Abraham
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