A.)graph the unit circle using parametric equations with your calculator set to radian mode. use a scale of π/12. trace the circle to find all values of t between 0 and 2πsatisfying the following statement. round your answers to the nearest ten-thousandth. (enter your answers as a comma-separated list.)
cos t = −sqrt(2)/2
b.) graph the unit circle using parametric equations with your calculator set to degree mode. use a scale of 5. trace the circle to find the sine and cosine of the angle to the nearest ten-thousandth.
135°
c.)graph the unit circle using parametric equations with your calculator set to degree mode. use a scale of 5. trace the circle to find all values of t between 0° and 360°satisfying the following statement. (enter your answers as a comma-separated list.)
sin t = −1/2