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What is the smallest positive value of x that satisfies x= Arc cos 1/2
9 years ago

Answers

coolguy321
(x+5)=3
x=3-5
x=-2
9 years ago
Reiny
x= Arc cos 1/2 <-----> cosx = 1/2
then x = π/3


check:
on your calculator, (set at degrees)

2ndF
cos
.5
=

to get 60° which is π/3 radians
9 years ago
coolguy123
yea
9 years ago

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