Without using a calculator, find the exact value of: a) tan 45° b) sin 60°

Q: Determine the tan 330o by first finding the tangent of its reference angle and then adjusting the…

A: Given : tan(330°)

Q: Determine the diameter of a circle described by 9x2 + 9y2 = 16.

A: A circle is defined as the locus of points that are equidistant from a fixed point. The standard…

Q: What is the value of "a"

A:

Q: 2. Use only your knowledge of sin 60° to find the exact value of crd 120°.

A:

Q: 2. Evaluate the following expressions, using a calculator if necessary: a. tan 46° b. sin 49°12' c.…

A: To calculate the following values

Q: Find an angle 0 with 0° < 0 < 360° that has the same: Sine as 50°: 0 - degrees Cosine as 50°: 0 =…

A:

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

A: (a) To find the value of sin23°: First, set the calculator on degree mode Press the sin button and…

Q: Give the exact value of the following: sin? (300°) + sec(135°)

A: