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Let’s check out your problem:
cos
x
=
6
9
\cos x = \frac{6}{9}
cos
x
=
9
6
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Math Problems
Grade 7
Multiply and divide integers
Full solution
Q.
cos
x
=
6
9
\cos x = \frac{6}{9}
cos
x
=
9
6
Simplify Fraction:
First, simplify the fraction
6
9
\frac{6}{9}
9
6
to its lowest terms.
\newline
6
9
=
2
3
\frac{6}{9} = \frac{2}{3}
9
6
=
3
2
Find Angle:
Now, find the angle
x
x
x
whose cosine is
2
3
\frac{2}{3}
3
2
. Use a calculator or trigonometric table to find the value of
x
x
x
.
cos
x
=
2
3
\cos x = \frac{2}{3}
cos
x
=
3
2
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