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What is the exact value of cos(-60°)?​

User Jilla
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2 Answers

3 votes
cos (-60) = 1/2

If you look at the cosine graph below you can see the black line pointing at 60 degrees is at 0.5, which is 1/2
What is the exact value of cos(-60°)?​-example-1
User Our
by
7.8k points
4 votes

Answer: 1/2

Explanation:

cosine=adjacent/hypotenuse

Cos (-60)=1/2

This is a special triangle

see below as the ratio of each side

Hope this helps!! :)

Please let me know if you have any question

What is the exact value of cos(-60°)?​-example-1
User Onik IV
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7.4k points