Proving Trig Identities practice question 1
263 بار بازدید -
10 سال پیش
-
In this tutorial we give
In this tutorial we give you a practice question on proving trig identities. The question is: Prove that (cot^2(x)-1)/(cot^2(x)+1) = 1-2sin^2(x). Have a go then come and see the answer!
10 سال پیش
در تاریخ 1393/09/14 منتشر شده
است.
263
بـار بازدید شده