[vimeography id="255"]
In this lesson, we spent some time to revise the topic of polynomials and quadratic inequalities. We then continued with the topic of further trigonometry. We started the section on trigonometric proving.
[vimeography id="255"]
In this lesson, we spent some time to revise the topic of polynomials and quadratic inequalities. We then continued with the topic of further trigonometry. We started the section on trigonometric proving.