Posted by **MELEK** on Monday, February 27, 2012 at 10:05pm.

How can I solve this questions and get those answers????

answers

sec 13pi/4=? =>-(2)

csc 13pi/4=? =>-(2)

sec (-pi/6)=? =>2(3)/3

## Answer This Question

## Related Questions

- Pre Cal - Vertify the identities, clearly show each step (vertify one side that ...
- Pre Cal - Vertify the identities, clearly show each step (vertify one side that ...
- pre cal - can someone please show me how to verify this identity? (sec x/csc x ...
- Trig verifying identities - I am having trouble with this problem. sec^2(pi/2-x...
- Pre Calculus. - Can someone check my answers please!!! Simplify (tan ^2 theta ...
- trig - If sinx = -3/5, tan x > 0, sec y = -13/5 and cot y < 0, find the ...
- Pre cal - Sec^2x=2 With 10 different answers
- Math - Given that cos 13pi/18=sin y, first express 13pi/18 as a sum of pi/2 and ...
- Confused! Pre-Cal - Verify that each equation is an identity.. tan A= sec a/csca...
- inverse trig functions - evaluate the following expressions: tan(sec^-1(5/3)) ...

More Related Questions