Mathematics, 24.06.2020 09:01 kaykardash
. Draw a unit circle. A unit circle is a circle whose radius is 1 and whose center is located at the origin of a rectangular coordinate system. On this unit circle let θ be the angle measured from the positive x‐axis to the point P = (x, y). Label the angles 0, 6 , 4 , 3 , 2 , , 2 3 , 2 and the coordinates of the points on the unit circle that correspond to each of these angles. 2. Plot the point 2 3 , 2 1 . How can you check that the point is on the unit circle? (Hint: recall the equation of the unit circle). Plot the points symmetric to it with respect to the y-axis, to the x-axis, and to the origin. Label the coordinates of the points you found. Find positive angles (expressed in radians) which correspond to the points. 3. Explain how symmetry can be used to find the coordinates of points on the unit circle for angles whose terminal sides are in quadrants II, III, and IV. 4. If x, y is a point on the unit circle in quadrant I and if 2 3 x , what is y ? 5. Find two negative and three positive angles, expressed in ra
Answers: 2
Mathematics, 21.06.2019 16:00
While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)
Answers: 2
Mathematics, 21.06.2019 20:00
The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in
Answers: 1
Mathematics, 21.06.2019 23:00
The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?
Answers: 1
. Draw a unit circle. A unit circle is a circle whose radius is 1 and whose center is located at the...
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