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I tried solving

solve(cos(2*t)==sin(t),t)

I got

[cos(2*t) == sin(t)]

But this shouldn't be the value. I know from the graphs that the value is different

I tried solving

solve(cos(2*t)==sin(t),t)

I got

[cos(2*t) == sin(t)]

But this shouldn't be the value. I know from the graphs that the value is differentnumeric.

I have also noticed that sagemath is not good for solving trig identities. Is this true?