Write parametric equations for a circle of radius 2, centered at the origin that is traced out once in the clockwise direction for 0 ≤ t ≤ 4π. use the module to verify your result. (enter your answer as a comma-separated list of equations. let x and y be in terms of t.)

We know that equation of a circle with origin as it's center is given by

Comparing with we get

Since have a period of 2π but in the given question we need to increase the period to 4π  thus we reduce the argument by 2

c. 65°

step-by-step explanation:

we are given a triangle with two known angles, 62° and 53°, while the third angle x is unknown and we are to find its value.

we know that the sum of angles in a triangle is equal to a total of 180 degrees. so we can write it as:

x + 62° + 53° = 180°

solving to find the value of x:

x = 180 - (62 + 53) = 65°

therefore, the value of x in this triangle is 65°.

the answer is b