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Note: When doing trigonometry, it is highly recommeded that you have a scientific calculator at hand. Also, make sure your calculator is in Degree (D or Deg) mode and not Radian (R or Rad).
To find the cosine of 70o, press 'cos', then type in 70, then press equals. You should get 0.342 (to the nearest 3 decimal places).
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Continue Learning about Trigonometry
What is cos42?
Cosine(42 radians) = -0.399985 Cosine(42 degrees) = 0.743146
What is the cosine of 10 degrees?
The cosine of 10 degrees is 0.98480775301221. Hope I helped!
What is the cosine of 0.57?
The cosine of 0.57 degrees is 0.999951. The cosine of 0.57 radians is 0.841901
What the cosine of 45 degrees?
cosine 45° = √2/2 (Square root of 2 over 2)
What is the cosine of a 60 degree angle?
60 degrees = 0.5 1/2
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