How to if two trig ratios are the same?

Is #3pi+pi/2=4pi-pi/2#?

1 Answer
Jim G.
Oct 2, 2017

#"yes"#

Explanation:

#"this is basically an exercise in fractions"#

#3pi+pi/2larr" require common denominator"#

#=(6pi)/2+pi/2=(7pi)/2#

#4pi-pi/2larr" require common denominator"#

#=(8pi)/2-pi/2=(7pi)/2#

#rArr3pi+pi/2=4pi-pi/2#

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