Oakville is a vibrant residential town located in Southern Ontario, Canada and within the Greater Toronto Area. Founded in 1857, Oakville now has an estimated population of 187,300. Oakville is known for its lively shopping districts, dynamic arts community, scenic harbors, and abundant dining options.
Quadrantal angles (0, 90, 180, and 270 degrees), and the values of the sine, cosine, and tangent of each of these angles. From the trig lessons in the Algebr... Quadrantal angles (0, 90, 180, and 270 degrees), and the values of the sine, cosine, and tangent of each of these angles. From the trig lessons in the Algebra 2 course by Derek Owens.
The measure of angle 3 is 115 degrees because angles 1 and 3 are a pair of vertical angles. Angles 1 and 2 are a linear pair, so their sum is 180 degrees; therefore, the measure of angle 2 is 180 - 115 = 65 degrees. The measure of angle 4 is 65 degrees because angles 2 and 4 are a pair of vertical angles.