harrisonmcdonnell harrisonmcdonnell

10-05-2019
Mathematics

contestada

simplify sin x / CSC x + cos x / sec x

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habibatarek habibatarek

10-05-2019

sinx/cscx =sinx x sinx =sin^2x
cosx/secx=cosx x cosx=cos^2x
sin^2x+cos^2x=1 "trigonometric identity"

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