Hi guys been struggling to solve this If you know how to do it, please do solve and show work so that I can follow your steps prove (sec(x)-cos(x))/(sec(x)+cos(x))=(sin^2(x))/(1+cos^2(x))
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I would start by changing everything into terms of cosine only. What is the definition of sec(x)?
Originally Posted by MathRaven Hi guys been struggling to solve this If you know how to do it, please do solve and show work so that I can follow your steps prove (sec(x)-cos(x))/(sec(x)+cos(x))=(sin^2(x))/(1+cos^2(x)) when proving identities, beginners are advised to change all trig functions to terms involving cosine and/or sine ... change to ... common denominator ... use the Pythagorean identity in the numerator ... divide the fractions ...
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