angiiee123
angiiee123 angiiee123
  • 25-02-2020
  • Mathematics
contestada

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

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JEFFY1andonly
JEFFY1andonly JEFFY1andonly
  • 25-02-2020

Answer:

√

6

−

2

4

Step-by-step explanation:

i dont kno the other one

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roseshiann313
roseshiann313 roseshiann313
  • 25-02-2020

Answer:

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

Step-by-step explanation:

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