Mathematics: What is the exact value of cos(–60º)?

What is the exact value of cos(–60º)?

neariah24

31.12.2021

The exact value of $cos(-60\°)=(1/2)$

Step-by-step explanation:

we know that

The angle $-60\°$ belong to the fourth quadrant

The function cosine is positive in the first and in the fourth quadrant

$cos(-60\°)=cos(60\°)$

Remember that

$cos(60\°)=(1/2)$

$cos(-60\°)=(1/2)$

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bobbykemp300

31.12.2021

The exact value is. +1/2.

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emmalou54

05.03.2020

Do you watch any anime?

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