Use the quotient rule to prove the derivative of: [Hint: change into sin x and cos x and then take derivative] 1. tan x 2. cot x 3. sec x 4. csc x Directions: Find dy/dx. 5. y = sec4x 6. y= tan3x – cot3x 7. y= cot5x + csc5x 8. y = csc (2x) 9. y= tanx + cotx 10. у %3D 4secх — 2cscx

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