Which of the following is incorrect?
x⁰ = 1
xⁿ / xᵐ = xⁿ⁻ᵐ
x⁰ = 0
(xⁿ)ᵐ = xⁿᵐ
x³ − y³ = ?
(x − y)(x² + xy + y²)
(x + y)(x² + y²)
(x − y)(x² − xy + y²)
(x + y)³
Which one is a binomial?
x³
x + y
a × b × c
x − y + z
(x + y)³ = ?
x³ + y³ + 3x²y + 3xy²
x³ + y³ + 6xy
x³ + y³ + 3xy
x³ + y³ + 9xy
(a − b)³ = ?
a³ − 3a²b + 3ab² − b³
a³ − b³
a³ + b³
a³ − 3ab + b³
1 right angle = ?
180°
90°
360°
100°
A complete angle = ?
270°
1 degree = ___ minutes
100
30
90
60
1 minute = ___ seconds
1° = ___ seconds
3600
1000
The unit of angle in SI system is:
Degree
Radian
Minute
Second
A radian is defined as:
Arc / Circumference
Arc / Radius
Diameter / Arc
Radius / Arc
180° = ? radians
π
2π
3π
π/2
Convert 90° to radians:
π/4
Convert 270° to radians:
3π/2
π/3
sin(90°) = ?
1
0
∞
0.5
cos(0°) = ?
tan(45°) = ?
2
sin(0°) = ?
cos(90°) = ?
tan(90°) = ?
Not defined
The value of sin²θ + cos²θ is:
tanθ = sinθ / ___
sinθ
cosθ
tanθ
cotθ is the reciprocal of:
secθ
secθ = 1 / ___
cotθ