Problem 1105

Convert the angle in degrees to radians. -19° Solution:-   Consider a circle of radius r. A central angle of a revolution (360°) will subtend an arc equal to the…

Problem 1101

Complete the sentence below. If the radius of a circle is r and the length of the arc subtended by a central angle is also r, then the measure of…

Problem 1099

  Complete the sentence below. An angle θ is in ……………………….. , ……………………… if its vertex is at the origin of a rectangular coordinate system and its initial side coincides…

Problem 1098

Complete the following sentence. If a particle has a speed of r feet per second and travels a distance d (in feet) in time (in seconds), then d = ………………..…

Problem 1096

  Find the cosine of 90°.   Solution:-   The coordinate at 90° is (0, 1). The cosine represents the x-coordinate of the ordered pair. Therefore, the cosine of 90° is…