Question

1. Develop a unit of learning at the end of which learners should be able to:
• reduce any angle in the first quadrant of a Cartesian plane to a difference of and an acute angle,
• reduce any angle in the second quadrant of a Cartesian plane to a sum of and an acute angle,
• reduce any angle in the second quadrant of a Cartesian plane to a difference of and an acute angle,
• reduce any angle in the third quadrant of a Cartesian plane to a sum of and an acute angle,
• reduce any angle in the third quadrant of a Cartesian plane to a difference of and an acute angle

Answer 1

google these topics, or look at existing texts.