Lesson 4: The Unit Circle (Part 2) Cool Down: What are the Circle Coordinates? Here is a unit circle where ZQPR has a measure of radians and R≈ (0.97, 0.26). T U P R Q 1. Angle QPT measures radians. What are the approximate coordinates of T? 13T 12 2. Angle QPU measures radians. What are the approximate coordinates of U?

Q: . Find m/Tin ARST if mZR = 37° and m/s = 55°. (Example 3)

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Q: ∆ABC ~ ∆DEF. If the measure of A = 78°, find the measure of D .

A: If triangles are similar so their angels are same and ratio of their sides are equal.

Q: 6. radians = %3D 14x 6. radians 14x Convert the angle in radians to degrees.

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Q: Find the altitude of the isosceles triangle if theta= 54degrees and b=5feet. round answer to…

A: Let ABC be triangle and h be the altitude. Angle A=angle C

Q: If a bird rises away from the surface of the Earth at an angle of 51 °, answer the following: Draw…

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Q: 45 feet 90 feet A 90 foot escalator rises a vertical distance of 45 feet off the ground. What is the…

A: This question is related to trignometry, We will solve it using given information.

Q: What is the radian measure of a 135°angle? 37 A 4 T B 135 C 8 D 45

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Q: Move the slider slowly all the way to the right to demonstrate that Radians area a measure of how…

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Q: In this diagram the final angle of reflection equals

A: answer is in next step, please give a like !!!

Q: Niw : Problew coneis filling rate of of the volume (on if with ligud. Determine the change the…

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Q: Write the measure of -45° in radians. O A. 4 О в. 45т O c. 2 O D. 4

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Q: R. 8. Which is a semicircle? POR so

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Q: .09 Y 40° 232° X 63° P 126° Measure of Arc PW Measure of Angle Y

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