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Math Problems
Grade 8
Relationship between squares and square roots
What is the value of
cos
(
9
0
∘
)
\cos \left(90^{\circ}\right)
cos
(
9
0
∘
)
?
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Simplify:
\newline
(
25
)
2
=
_
_
_
_
_
(\sqrt{25})^2 = \_\_\_\_\_
(
25
)
2
=
_____
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