Posted by **Leah** on Monday, June 11, 2012 at 5:03am.

How would I evaluate these trig functions without using a calculator? U:

sin(-13π/6)

cot 11π/6

cot(-14π/4)

sec 23π/6

Thanks in advance ^^; and if you'd tell me step by step on how to do problems like these I'd be grateful :D

## Answer this Question

## Related Questions

- Precalc/Trig - Sorry there are quite a few problems, but I just need to know if ...
- Math, please help - Which of the following are trigonometric identities? (Can be...
- Trig Help! - Question: Trying to find cos π/12, if cos π/6 = square ...
- Math - Evaluate *Note - We have to find the exact value of these. That I know to...
- Math integrals - What is the indefinite integral of ∫ [sin (π/x)]/ x^...
- Trig - find all solutions to the equation √3 csc(2theta)=-2 Would the ...
- Trigonometry - How do I evaluate the trigonometric functions of the quadratic ...
- Precalculus - Use one of the identities cos(t + 2πk) = cos t or sin(t + 2&#...
- Calculus - How do I find the critical values? y= 4/x + tan(πx/8) What I ...
- Trig - The set of solution(s) of 2 cos^2 (θ) - 13 cos(θ) + 6 = 0 that ...