Math 11

Math1

100

 log₃(5x+2)

x=2

200

log₂x+log₄x+log₁₆x=7

x=16

300

log_2x^2+181=4

x₁=-1 x₂=1

400

log_x+116=2

x=3

500

log_1/5(log₅√5)=0

x=5

Math2

100

tan5*tan25*tan45*tan65*tan85*

1

200

tan 25°-tan 65° /sin² 25° + sin² 65° +2

-2/3cot50

 

-\frac{2}{3}\cot 50^\circ

300

cos 45° + cos 330° + cos 150° + cos 315°

√2

400

sec x - cos x / tan x

sin x

500

cosx/secx+tanx

1-\sin x

Math3

100

y=cos²4x-2cot⁵3x

 π(pi)

200

What is tan45

1

300

1-cos²θ/sin θ 

sinθ 

400

What is sin30

1/2

500

Find the trigonometric value by using reference angle sin855?

√2/2

Math4

100

Find the determinant of matrix A      

2 0 4 

5 9 0 

1 0 4

36

200

Evaluate the determinant of the matrix

90876    90877  

99874     99875

2

300

Evaluate the determinant  

a   0

0   a

a²

400

Find the inverse

4   2

2   1

No inverse (0)

500

Find det(A)= 1   2       

                   3   4      

 

-2

Math5

100

2sin²(x)-3sin(x)+1=0 for 0≤ x ≤ 90

30

200

log₂(x-1)+log₂(x-3)=3

5

300

x³-3x³-4x+12=0

x=2,3 -2

400

2x-7=3x+5

12

500

log₂(x²-1)=3

x=3 or x=-3