I have recieved some great help with proving identities but I have a few more of these Trig Identities I'm having trouble with and I was wondering if anyone could help me prove them ??
Follow Math Help Forum on Facebook and Google+
My advice : 1) learn and know perfectly the trig identities 2) practice a lot
Hello, For the first one, another method : Note that So Recall that Hence And finally,
Originally Posted by Giggly2 Note that So a reflex will be to multiply the second fraction by , to get the same denominator : ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Note that And note that And since , we have , which is exactly ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Hence, we have finally :
View Tag Cloud