Hello, I have a challenge I'm not sure how to express it. here is the original question: "From the formula for sin (2t + t) find sin 3t in terms of sin t." The answer is -4 sin^3 (t) + 3sin (t)
Any help with on how the query should looks like.
Thank you ahead Tal
Hi Tal, the function you are looking for is probably TrigExpand,