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anonymous
 one year ago
cos2a = 12sin^2(a) for all values of a
A. True
B. False
anonymous
 one year ago
cos2a = 12sin^2(a) for all values of a A. True B. False

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Once again with my improper math techniques I believe it is True because cos2a does equal 12sin^2a

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.1LOLLLLLL. Are you just using guess and check?

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.1Cos2x = 1  2sin^2x is a trig identity that you need to know.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Ah ok. I will find a list and study! Thank you for telling me that

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.1no problem :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I know one day the improper math techniques are going to bite me in the butt

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.1xD probably...

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So I am assuming this question is true.

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.1yes it is truee.. Cos 2x has three different things it could equal to :) http://prntscr.com/7j2qax

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Great! Thank you for the help!

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.1no problemoooo~
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