Derivatives of trig functions and Pythagorean identities Flashcards

1
Q

1/sinx

A

cscx

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2
Q

1/cosx

A

secx

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3
Q

1/tanx

A

cotx

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4
Q

1/cotx

A

tanx

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5
Q

1/secx

A

cos x

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6
Q

1/cscx

A

sinx

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7
Q

d/dx sin x

A

cosx

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8
Q

d/dx cos x

A

-sinx

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9
Q

d/dx tan x

A

sec^2x

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10
Q

d/dx sec x

A

sec x tan x

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11
Q

d/dx csc x

A

-cscx cotx

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12
Q

d/dx cotx

A

-csc^2x

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13
Q

identity 1

A

sin^2x + cos^2x = 1

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14
Q

identity 2

A

tan^2x+1=sec^2x

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15
Q

identity 3

A

1+cot^2x=csc^2x

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16
Q

sin2x

A

2sinxcosx

17
Q

cos2x

A

cos^2x-sin^2x=2cos^2x-1=1-2sin^2x

18
Q

tan2x

A

2tanx/1-tan^2x