Use your calculator to find each number correct to four decimal places. a) sin 23° b) cos 79°

Q: Find the angle 0, in radians that make the equation true; tan0=0

A:

Q: Simplify each trigonometric expression by following the indicated direction.

A: Given

Q: What is the value of "a"

A:

Q: -420° in radian

A: The given angle is -420°. Recall the fact that to convert from degrees to radians, multiply the…

Q: Converting 49T radians to degrees will correspond to which value? (A -1746° -1674° -1764° -1476°

A: topic - radian to degree conversion

Q: Approximate the value to the nearest thousandth Cos 49°

A: Answer : The approximate value of cos(49°) to the nearest thousandth is written as ;    Cos(49°) =…