angiiee123 angiiee123

25-02-2020
Mathematics

contestada

What is the exact value of cos 225º cos 75°?

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JEFFY1andonly JEFFY1andonly

25-02-2020

Answer:

√

6

−

2

4

Step-by-step explanation:

i dont kno the other one

Answer Link

roseshiann313 roseshiann313

25-02-2020

Answer:

[tex]-\frac{\sqrt{3} -1}{4}[/tex]

Step-by-step explanation:

Answer Link

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