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# find the period of the function f(x)=cos(3x+5)+7

Chetan Mandayam Nayakar
312 Points
10 years ago

2π/3

Jaya IITK
207 Points
10 years ago

if period of f(x)=t

then period of f( ax+d)= t/a

thus period of cos x = 2pi

then period of cos(3x+5) is 2pi/3

Pls approve my answer by clicking on yes below!!!!!!!!!

Sukhendra Reddy Rompally B.Tech Mining Machinery Engg, ISM Dhanbad
93 Points
10 years ago

Dear student,

The period of the given function is the period of cos(3x+5) itself, as 7 is a constant and doesnt influence the period,....and the period of cos(ax+b) is 2pie/a,...so the answer is 2pie/3 :)

THANKS  and ALL THE BEST

PLZZZ APPROVE MY ANSWER IF YOU LIKE IT  :)