We just started learning about trig identities. We're supposed to prove:
I reached the point where I was left with one long expression (too long too type) all over . I really have no idea how to solve this.
Thanks in advance.
We just started learning about trig identities. We're supposed to prove:
I reached the point where I was left with one long expression (too long too type) all over . I really have no idea how to solve this.
Thanks in advance.