Posted by anon on Friday, February 11, 2011 at 5:54pm.
a) I get -cos theta
b) -cos theta yes
c) 810 = 360*2 + 90
so really tan (90+theta) =-cotan (theta)
d) -sin theta is correct
Related Questions
trigonometry - can you correct the rest for me please? Express each as a ...
trigonomtry - can you correct the rest for me please? Express each as a function...
Calculus - I wanted to confirm that I solved these problems correctly (we had to...
Trig Identities - Please help...I'm not understanding trig identities and ...
math(Trigonometry) - sin 2 theta + cos theta = 0 so, we use sin 2 theta = 2 sin ...
Algebra II - Multiple Choice Which expression is NOT equivalent to 1? (theta) ...
Trig Identities - a)Express as a function of cos (theta) 2 sin^2(theta) - 1 b)...
Algebra II - Which of the following expressions are not equal to 1? A) sin^2 ...
Trig - Which expression equivalent to: cos(theta + pi/2). A)cos theta B)-cos ...
algebra - Can someone please help me do this problem? That would be great! ...
For Further Reading