DIFFERENTIATION FORMULAS



DIFFERENTIATION FORMULAS WITH CHAIN RULE

[pic] [pic]

SOME TRIGONOMETRIC FORMULAS:

1. Sin(A[pic] 2. cos(A[pic]

3. Sin2A=2sinAcosA, 4. cos2A= cos[pic]

5. 1+cos2A = 2cos[pic]

7. cosA - cosB = - 2sin([pic]8. sinA – sinB = 2cos([pic]

9. 2sinAcosB = sin(A+B) + sin(A-B) 10. 2cosAcosB = cos(A+B) + cos(A-B)

11. 2sinAsinB = cos( A – B) – cos(A + B) 12 sin(-A) = -sinA and cos(-A) = cosA

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