Can somebody help me simplify this? (cos2x+sin^2x)/(cos^2x)
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Originally Posted by unmcintosh Can somebody help me simplify this? (cos2x+sin^2x)/(cos^2x) Upon some rearranging in the numerator: -Dan
thanks for the help and everything, but could you or someone else explain how you got from the first step to the second please?
Originally Posted by unmcintosh thanks for the help and everything, but could you or someone else explain how you got from the first step to the second please? We also have that as well. See here. -Dan
thank you. my test is tomorrow so im basically screwed. Also, could somebody help me verify -2cos^2xtan(-x)=sin2x please?
Originally Posted by unmcintosh thank you. my test is tomorrow so im basically screwed. Also, could somebody help me verify -2cos^2xtan(-x)=sin2x please? This is the case, for this is a double angle identity. Hope this helped!
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