sin2 =2tan cos
Your expressions make no mathematical sense, typing them 3 times in a row does not make them so.
Your trig operators have no "argument"
did you mean: sin 2Ø = 2tanØcosØ ?
are you solving, or proving them true as an identity ?
Your trig operators have no "argument"
did you mean: sin 2Ø = 2tanØcosØ ?
are you solving, or proving them true as an identity ?