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julia-pushkina [17]

4 years ago

8

What is cos 45º?

2 answers:

steposvetlana [31]4 years ago

8 0

Answer:

The exact value of cos(45°) is √(2) / 2.

Step-by-step explanation:

daser333 [38]4 years ago

5 0

Answer:

Answer:√2/2=cos45

√2/2×√2/√2=2/2√2

1/√2

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