Please help me prove this identity: 2Sin^2(x+pi/4) = 1 + Sin2x I was thinking that I have to include cofunctions somehow, but have no idea how! This has been bugging me for too long! Thanks! Andrew
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Originally Posted by Android Please help me prove this identity: 2Sin^2(x+pi/4) = 1 + Sin2x I was thinking that I have to include cofunctions somehow, but have no idea how! This has been bugging me for too long! Thanks! Andrew use identity if stuck look spoiler Spoiler:
That all makes perfect sense! Thank you SO much!
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