MATH 1300.03F D

Quiz #2

Friday, September 24, 1999

NAME:
Student Number:

(2 Marks) Evaluate sin(arccsc 3).

Solution 1: Let tex2html_wrap_inline31. Then tex2html_wrap_inline33. Hence, tex2html_wrap_inline35.

Solution 2: Let tex2html_wrap_inline31. Then tex2html_wrap_inline39 and tex2html_wrap_inline33. We draw the following triangle.

By the above triangle, we have tex2html_wrap_inline43.