Formulas to remember: C3

Formulas to remember: C3

1. DOUBLE ANGLES

   • These can be worked out using the addition formulas given on the formula sheet, but it may be easier and quicker to learn them
   • • • the same as cos2A but also using the sin^2+cos^2=1 identity

2. TRIG IDENTITIES

   • New identities for A2 if you can't remember these they can be found by dividing sin^2 x + cos^2 x = 1 by either sin^2 x or cos^2 x this formula can also be used to prove

3. INVERSES

4. DIFFERENTIATION RULES

   • CHAIN RULE
   • PRODUCT RULE
   • QUOTIENT RULE

5. DIFFERENTIATION

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