SOLUTION: sin 270 degrees+ cos (-180) degrees
Algebra.Com
Question 1098151: sin 270 degrees+ cos (-180) degrees
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
.
= - 2.
RELATED QUESTIONS
Evaluate sin 0 degrees+cos 180 degrees-sin 270... (answered by stanbon,solver91311)
6 sin 180 degrees - 6 csc 270 degrees =... (answered by stanbon)
Evaluate 4sec 180 degrees - 2 sin ^2 270... (answered by lwsshak3)
Use the given information to find cos(x/2), sin(x/2), and tan(x/2):
Cos (x)=-4/5... (answered by lwsshak3)
Use the given information to find cos(x/2), sin(x/2), and tan(x/2):
Cos (x)=-12/13... (answered by solver91311)
Find the exact values of sin(2theta), and cos(2theta) if sin(theta)= -9/10 and theta is... (answered by lwsshak3)
Prove the identity: cos(270 degrees + theta) = sin... (answered by solver91311)
cos theta= -1/3 and 180 degrees < theta < 270 degrees
find the exact values of sin... (answered by Alan3354)
Solve: √(2) sin D cos D = sin D, where D (-180 degrees, 180... (answered by lwsshak3)