Trigonometric Functions in Quadrants

The video tutorial explains how to find the exact coordinates of point P given an angle of 240 degrees and a radius of 50. It covers the formula for calculating coordinates using cosine and sine, drawing the unit circle, and understanding the angle. The tutorial also includes calculating trigonometric values and performing the final calculation to determine the coordinates of point P.

What is the formula used to find the coordinates of point P?

• R sin theta, R cos theta

• R cos theta, R sin theta

• R tan theta, R cot theta

• R sec theta, R csc theta

What is the angle of 240 degrees equivalent to in terms of degrees?

• 180 plus 30

• 180 plus 60

• 90 plus 150

• 360 minus 120

In which quadrant is the angle 240 degrees located?

• Second quadrant

• Fourth quadrant

• Third quadrant

• First quadrant

What is the cosine of 60 degrees in the third quadrant?

• 1/2

• -1/2

• -Square root of 3 over 2

• Square root of 3 over 2

What is the sine of 60 degrees in the third quadrant?

• 1/2

• Square root of 3 over 2

• -1/2

• -Square root of 3 over 2

What is the value of cosine in the third quadrant?

• Undefined

• Positive

• Negative

• Zero

What is the value of sine in the third quadrant?

• Positive

• Negative

• Zero

• Undefined

What are the exact coordinates of point P?

• (25, -25 square root of 3)

• (-25, -25 square root of 3)

• (-25, 25 square root of 3)

• (25, 25 square root of 3)

What is the radius used in the calculation of point P?

• 50

• 40

• 70

• 60