1. Trigonometric Functions
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2. Aim of Lesson
To investigate, how to differentiate Trigonometric functions, having already established the differentiation of sin x and cos x from first principles.
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3. From first principles
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4. Differentiate tan x
Quotient
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5. Differentiate sec x
Quotient
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6. Differentiate cosec x Quotient
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Quotient
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7. Differentiate sin3x
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8. Differentiate y=cos 4x Start clicking when you want to see the answer.
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9. Note the difference in cos4x and cos4 x
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10. Start clicking when you want to see the answer.
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11. Differentiate Start clicking when you want to see the answer. Quotient
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12. Leaving Certificate 2005 Higher Level Paper 1 no 6(b)
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13. Start clicking when you want to see the answer.
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14. Continued Leaving Certificate Higher No 7(c)(ii) Paper 1 2003
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Continued

15. Next slide Leaving Certificate Higher No 7(c)(ii) Paper 1 2003
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16. Differentiate Start clicking when you want to see the answer.
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17. y=xsinx Differentiate Start clicking when you want to see the answer.
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18. Homework : Differentiate the following:
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