Posted by Jon on Thursday, March 6, 2008 at 5:53pm.
No. That isn't right.
sin 405 = sin 45 = + 0.70711
The reference angle is 45 degrees (405 -360) and you are in the first quadrant.
Related Questions
Trig - I'm confused on how to determine what the end result angles are for a...
trig - I need help on these problems: Find the exact value of tan(23pi/6) also, ...
Math Trig - Suppose that X is an angle in standard position and that X' is ...
MATH PLEASE - can a reference angle be negative? Tye "reference angle"...
Trig - Find the exact value of cot(-pi/6). I don't have a lot of work for ...
trig - give exact value of cos 75 degrees. give exact value sin 15 degrees. give...
trig - (a) sketch an angle A in standard position whose terminal ray passses ...
trig - my question is find all angles of theta and 2pi whose reference angle is ...
Trig - Find the exact value of each of the following using reference angles. a)...
trig - Angle x is in the second quadrant and angle y is in the first quadrant ...
For Further Reading
