Positive and Negative Angles
when the angle is moving clockwise from the initial side, it is an
negative
what is cosine
adj/hypotenuse
you can convert degrees to radians by
multiply the given value with π/180
what is coterminal to 30 degrees ?
390 and -330 degrees
what is opposite/hypotenuse?
sine
when the angle is moving counterclockwise rom the initial side, it is an
positive angle
what is tangent
opposite/adj
you can convert radians to degrees by
multiply the radians by 180°π
what angles is coterminal to 45 degrees ?
-315 and 405 degrees
what is opposite/adjacent?
tangent
how to do you find a negative angle?
-360
what is secant opposite of
sine
what is 360 in radians?
2pi
what is coterminal of 120 degrees
-240 degrees
what is adjacent/hypotenuse?
cosine
how do you find a positive angle?
+360
what is cosecant of pi/4
undefined
what is 90 in radians
pi/2
what is coterminal to 450 degrees?
90 degrees
what is sohcahtoa used for?
to find the missing sides or components
what is the negative angle of 30?
330 degrees
what is the cotangent of 30 degrees
1.73205080757
what is pi in degrees
180
what is a coterminal angles?
angles who share the same initial side and terminal sides
right triangles