C3

Question 1

What is the derivative of cosecx

Answer 1

-cosecxcotx

Question 2

What is cosecx

Answer 2

1/sinx

Question 3

What is secx

Answer 3

1/cosx

Question 4

At which point does y=lnx pass through the x axis

Answer 4

(1,0)

Question 5

What is the inverse of e^x

Answer 5

lnx

Question 6

What point do all exponentials pass through

Answer 6

(0,1)

Question 7

What is the derivitive of cosx

Answer 7

-sinx

Question 8

What is the derivitive of sinx

Answer 8

cosx

Question 9

What is the derivitive of lnx

Answer 9

1/x

Question 10

What is the tan double angle formula

Answer 10

(2tanA)/(1-tan²A)

Question 11

What is the chain rule

Answer 11

dy/dx=dy/du x du/dx

Question 12

What is the product rule

Answer 12

u dv/dx + v du/dx

Question 13

What is the cos double angle formula

Answer 13

cos²A-sin²a
or
2cos²A-1
or
1-2sin²A

Question 14

What function is a reflection of f(x) in the y=x line

Answer 14

f-1(x)

Question 15

What is the derivitive of tanx

Answer 15

sec²

Question 16

What is the sin double angle formula

Answer 16

sin2A=2sinAcosA

Question 17

What is the derivitive of secx

Answer 17

secxtanx

Question 18

What can cot be written as

Answer 18

1/tan
or
cos/sin

Question 19

How do you work out tan(A-B)

Answer 19

(tanA-tanB)/(1+tanAtanB)

Question 20

How do you work out cos(A-B)

Answer 20

CosACosB+SinASinB

Question 21

How do you work out cos(A+B)

Answer 21

CosACosB-SinASinB

Question 22

How do you work out Sin(A-B)

Answer 22

SinACosB-CosASinB

Question 23

How do you work out Sin(A+B)

Answer 23

SinACosB+CosASinB

Question 24

What is Sin²x+cos²x equal to

Answer 24

1

Question 25

What is the quotent rule

Answer 25

[v du/dx - u dv/dx]/ v²