Wow Maths!!!!! Quizz "Mathematics" - 10 questions total = 6 player(s)

Question 1 / 10
select 1 answer only

Sin x=3/5, Cos x=?

+/- 4/5

4/5

+/- 16/25

16/25

3/5

Question 2 / 10
select 1 answer only

x=Cos a+ ln |Tan a/2| and y=Sin a Whay is the dx/da?

Tan a

Sin a - Cosec a

Cosec a - Sin a

Sec a - Cos a

Sec a -Sin a

Question 3 / 10
select 1 answer only

2 Sin x+ Cos x = 2, Tan x?

4/3

5/4

3/5

4/5

3/4

Question 4 / 10
select 1 answer only

What is the Sin 2x?

Sin x.Sin x

2 Sin x.Cos x

Sin x + Sin x

2 Sin x.Sin x

Cos 2x

Question 5 / 10
select 1 answer only

What is the Sin (x+y)=

Sin x.Cos y-Cos x.Sin y

Sin x.Sin y +Cos x.Cos y

Sin x.Sin y

Sin x.Cos y+Cos x.Sin y

Sin x + Sin y

Question 6 / 10
select 1 answer only

What is the Cos (x+y)=

Cos x.Cos y-Sin x.Sin y

Cos x.Cos y+Sin x.Sin y

Cos x.Cos y

Cos x.Sin y-Cos.Sin y

Cos x+Cos y

Question 7 / 10
select 1 answer only

What is the Cos^2+Sin^2=

Cosx+Sin x

1

0

Infinity.

(Cos x+Sin x)^2

Question 8 / 10
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What is the (x+y)^3

x^3 + y^3

3x + 3y

x.x.x + y.y.y

x^3 + 3(x+y) +y^3

x^3 + 3x^2y + 3xy^2 + y^3

Question 9 / 10
select 1 answer only

What is the ln |x| =

x

+/- x

1/x

Infinity.

0

Question 10 / 10
select 1 answer only

d Sin x/dx =

1

-Cos x

Tan x

Cos x

0

.

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Auteur : Sani (Sri Lanka)

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