5 Answered Questions for the topic Trig Derivatives

Trig Derivatives Calculus Derivatives

03/15/15

what is the derivative of y=(8cos9x-9cos8x)/(9sin8x-8sin9x) using Product Rule not QR
what is the derivative of y=(8cos9x-9cos8x)/(9sin8x-8sin9x) using Product Rule not QR
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Expert Answers •1
Trig Derivatives Calculus Derivatives

03/15/15

find derivative of y=(4x^3 - 12xtan12x - 6cos6x)/(5x^4) using Product Rule not QR please!
find derivative of y=(4x^3 - 12xtan12x - 6cos6x)/(5x^4) using Product Rule not QR please!
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Expert Answers •1
Trig Derivatives Calculus Derivatives

03/15/15

find trig derivative of y= (2x-cosx^2-sinx^2-xcosx-xsinx-x^2cosx-x^2sinx-x^2)^4
find trig derivative of y= (2x-cosx^2-sinx^2-xcosx-xsinx-x^2cosx-x^2sinx-x^2)^4   i'm unsure about the cancellations at the end when you reduce to get the final answer, please help!
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Expert Answers •1
Trig Derivatives Calculus Derivatives

03/15/15

find trig derivative of y=4x^2 csc^4 4x^2 cot^4 4x^2
find trig derivative of y=4x^2 csc^4 4x^2 cot^4 4x^2   I got y'= 8xcsc^4 4x^2 cot^4 4x^2 - 128x^3 csc^4 4x^2 cot^4 4x^2 - 128x^3 cot^3 4x^2 csc^6 4x^2   I just wasn't sure if i did this... more
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Expert Answers •1
Trig Derivatives Calculus Derivatives

03/15/15

Find trig derivative of (4x^5)/(8cot^4 x^3) using PRODUCT RULE not QR
Find trig derivative of (4x^5)/(8cot^4 x^3)I got y'=20x^4(1/8tan^4 x^-3) + -3/2xsec^2 x^-3 but im not sure if it's correct. any help is greatly appreciated!
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Expert Answers •1

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