Trigonometry 2. (gr 10- recap.reductions special angles and ID's)
Recap of Cartesian plane.
(identifying quadrants)
Homework
Exercise 1 - Identifying Quadrants.pdf
7_1_Exercise 1 - ID Quads HW Answers.PDF
Reductions:
Homework:
7_2_Exercise 2 - Reductions HW Answers.PDF
Negative angles in reductions.
Homework and memo
Exercise 3 - Negative Angles.pdf
7_3_Exercise 3 - Negative Angles HW Answers.PDF
Co - ratios.
memo of exercise 9 was sent on whatsapp.
Numerical reductions (positive and negative angles). Numerical reductions with algebraic ratios.
Special angles:
Notes:
Numerical reductions - special angles are not possible so co-ratios/functions are needed to simplify.
Notes:
Examples and explanation.
Few extra examples on reductions.
Trigonometric Identities
Examples and explanation.
example 8
Homework memo (ex 4 from textbook)
Proving trig ID's:
Examples and explanation:
Homework:
page 144 exercise 5 all even numbers.
