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).
You cannot. The cosine of 30 degrees is an irrational number.
Cosine(42 radians) = -0.399985 Cosine(42 degrees) = 0.743146
The cosine of 10 degrees is 0.98480775301221. Hope I helped!
The cosine of 0.57 degrees is 0.999951. The cosine of 0.57 radians is 0.841901
60 degrees = 0.5 1/2
The cosine of 70 degrees is 0.34202014332567.
The cosine of 90 degrees is zero.
The cosine of 8 degrees is 0.99026806874157031508377486734485
Cosine is 0.995
Cosine is 0.766
The cosine of 60 degrees is 0.5
The cosine of 24 degrees is 0.913
You cannot. The cosine of 30 degrees is an irrational number.
Cosine(42 radians) = -0.399985 Cosine(42 degrees) = 0.743146
Cosine(84 radians) = -0.680023 Cosine(84 degrees) = 0.104528
cosine(59 degrees) = 0.51504 (rounded)
The cosine of 10 degrees is 0.98480775301221. Hope I helped!