11 SL Trigonometric Identities and Expressions

In order to make use of the trigonometric identities we discussed today, it is frequently also necessary to be able to simplify or factor expressions involving trigonometric functions.

The questions below give you some opportunity to practice simplifying and factoring, then you’ll use those skills when applying the double-angle formulae. Complete these questions before our next class (and these may be checked on Monday…).

Exercise 11C.1 questions 1aef, 2d, 3acd, 4ad
Exercise 11C.2 questions 1ace, 2af, 3af
Exercise 11D questions 1–5

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