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Mathematics
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cos^2x/sin^2x +cosx secx
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first term : use \(\Large \dfrac{\cos x}{\sin x} = \cot x\) 2nd term, use \(\Large \dfrac{1}{\cos x } = \sec x\)
can you walk me through the steps please?
I think Cosx and 1/cosx cancel, right? so is the answer just cotx^2?
good start! when we cancel terms form numerator and denominator, '1' remains! \(\dfrac{\cancel a}{\cancel a} =1 \)
so, you would get \(\Large \cot^2x+1\) do you know any pythagorean identity in which cot^2 x is present ?
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do you know \(\Large \csc^2x -\cot^2 x =1 \) ??
oh!!! Thank you so much! I understand! It is csc^2x :) right?
absolutely correct! :) good
you seem to be new here, \(\Huge \mathcal{\text{Welcome To OpenStudy}\ddot\smile} \)
oh, haha, thank you very much!:)(:
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welcome ^_^
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