# How do you find the value of #cos105# without using a calculator?

By signing up, you agree to our Terms of Service and Privacy Policy

- How do you solve the right triangle ABC given a=3, A=26?
- How do you evaluate #cot (-(4pi)/5)#?
- How do you evaluate #sec (-pi / 6)#?
- Andrew claims that a wooden bookend in the shape of a 45°- 45°- 90° right triangle has side lengths of 5 in., 5 in., and 8 in. Is he correct? If so, show the work and if not, show why not.
- What is #(11pi)/6# in degrees and hence find #cos((11pi)/6)#?

- 98% accuracy study help
- Covers math, physics, chemistry, biology, and more
- Step-by-step, in-depth guides
- Readily available 24/7