Lesson#4 <br />Trigonometric Functions <br />Of Quadrantle Angles: <br />Math.Ex.9.2, Part4(9.2) <br />Consider a unit circle, there is a point ( ,) for =0° , =1 and =0 .... <br />Chapter No. 9 <br />Fundamentals of Trigonometry <br />Exercise No. 9.2 <br />mathematics <br />part 1
