Question

5) csc30° =
7) cot30°=
9) sec60°=
11)csc60°=
13)cot60°=
15)sec45°=
17)csc45°=
19)cot45°=
21)sec180°=
23)csc180°=
25)cot180°=
27)sec270°=

Answer 1

http://www.ajdesigner.com/phptrigonometry/trigonometry_sec_secant_equation.php

Answer 2

try that website it has a good easy to use calculator

Answer 3

thanks