Evaluate

so by the double angle

this I understand but it shows it go further to

This is where it starts to lose me.

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- November 8th 2013, 03:20 PMJonroberts74trig limits
Evaluate

so by the double angle

this I understand but it shows it go further to

This is where it starts to lose me. - November 8th 2013, 03:36 PMtopsquarkRe: trig limits
- November 8th 2013, 10:56 PMJonroberts74Re: trig limits
okay so

if true, then is true? That is the way my text book makes it seem

it skips over this step

then inputing that back in

I get

The work the book shows then gets a bit confusing from here (I am working on reviewing key trig components so please bear with me, the book is not always very clear.) - November 9th 2013, 06:54 PMProve ItRe: trig limits
- November 9th 2013, 07:21 PMJonroberts74Re: trig limits
I don't know that rule yet but I know it comes up shortly for me so I will return to this then, thank you!