uhhelucidate uhhelucidate

25-08-2020
Mathematics

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What is the exact value of cos(-60°)?

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eunice1234 eunice1234

25-08-2020

Answer: 1/2

Step-by-step 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

Ver imagen eunice1234

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25-08-2020

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

Ver imagen wong2

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