question

The point P(x, y) lies on the terminal side of an angle thea = 3pie/4 in standard position. What are the signs of the values of x and y?

answer

x is negative, and y is positive.

question

Based on Pythagorean identities, which equation is true?

answer

cotangent-squared of theta - cosecant-squared of theta = -1

question

Keisha and David each found the same value for cosine of theta, as shown below, given sine of theta = -8/17

answer

Both procedures are correct.

question

Three trigonometric functions for a given angle are shown below.
sine of theta = -77/85
cosine of theta = 36/85
tangent of theta = -77/36
What are the coordinates of point (x, y) on the terminal ray of angle theta, assuming that the values above were not simplified?

answer

(36, -77)

question

The terminal side of an angle in standard position passes through P(-3, -4). What is the value of tangent of theta?

answer

tangent of theta = 4/3

question

If sine of theta equals -0.7660, which of the following represents an approximate value of tangent of theta, for 180 degrees < theta < 270 degrees?

answer

1.1916

question

Which Pythagorean identity is correct?

answer

tan-squared (theta) + 1 = sec-squared (theta)

question

Given that sine of theta = 21/29, what is the value of cosine of theta, for 0ยฐ < theta < 90ยฐ?

answer

20/29

question

Fatima wants to find the value of sine of theta, given cotangent of theta = 4/7 Which identity would be best for Fatima to use?

answer

1 + cotangent-squared of theta = cosecant-squared of theta

question

The terminal side of an angle in standard position passes through P(15, -8). What is the value of sine of theta?

answer

sine of theta = -8/17