Circular Functions (Lowersixth Science Mathematics)

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Trigonometry and circle basics for exam prep

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Circular Functions (Lowersixth Science Mathematics)


Froggy Jumps Circular Functions (Lowersixth Science Mathematics)Version en ligne Trigonometry and circle basics for exam prep par YAKILI LMS 1 What is 180 degrees in radians? a π/2 radians b 2π radians c π radians 2 Convert 90 degrees to radians. a 2π radians b π/2 radians c π radians 3 What is the radian measure of a full circle? a π/2 radians b 2π radians c π radians 4 If C is the circumference, which formula gives C? a C = 2πr b C = πd c C = πr^2 5 Area of a circle is given by? a A = 2r^2 b A = 2πr c A = πr^2 6 What is the relationship between diameter and radius? a d = r^2 b d = 2r c d = r/2 7 Which trigonometric ratio is sine? a Hypotenuse over adjacent b Opposite over hypotenuse c Adjacent over hypotenuse 8 Which ratio is cosine? a Opposite over adjacent b Hypotenuse over opposite c Adjacent over hypotenuse 9 Which ratio is tangent? a Opposite over adjacent b Adjacent over opposite c Hypotenuse over adjacent 10 What is sin(0°)? a 0.5 b 1 c 0 11 What is cos(0°)? a -1 b 0 c 1 12 What is tan(0°)? a ∞ b 0 c 1 13 The reciprocal of sine is? a Cosecant b Secant c Cosine 14 The reciprocal of cosine is? a Cosecant b Tangent c Secant 15 The reciprocal of tangent is? a Cotangent b Cosine c Sine 16 Angle of 180 degrees corresponds to which radian? a 2π radians b π radians c π/2 radians 17 What is the value of sin(90°)? a 1 b 0 c -1 18 What is the value of cos(90°)? a 0 b 1 c -1 19 What is the value of tan(90°)? a 1 b 0 c Undefined 20 Circumference of a circle with radius r is? a πd b πr^2 c 2πr 21 Length of arc s = rθ in radians. If r=5 and θ=π/3, s = ? a 5π/6 b 10π/3 c 5π/3 22 What is the area of a sector with angle θ (radians) and radius r? a A = πr^2 θ b A = rθ c A = (1/2) r^2 θ 23 If r = 7 and θ = π/2, area of sector is? a ≈ 7 b ≈ 49 c ≈ 24.5 24 What is the unit circle value of sin 30°? a 1/2 b √3/2 c √2/2 25 What is cos 60°? a 1/2 b √2/2 c √3/2 26 What is tan 45°? a 1 b 0 c ∞ 27 Which angle is supplementary to 40°? a 320° b 140° c 50° 28 Complementary angle to 40° is? a 40° b 140° c 50° 29 Radian measure of π/3 equals? a 30° b 120° c 60° 30 Period of sine function y = sin x is? a π/2 b 2π c π 31 Period of tangent function is? a 2π b π/2 c π 32 What is sin(π/6)? a √2/2 b 1/2 c √3/2 33 What is cos(π/3)? a √3/2 b 0 c 1/2 34 Which angle has sin = 0? a 0° or 180° b 90° c 45° 35 Which angle has cos = 0? a 0° b 90° c 180° 36 Which angle has tan undefined? a 90° b 180° c 0° 37 Circumference formula uses which symbol for radius? a r b d c a 38 If a circle has diameter d, radius r equals? a d b d/2 c 2d 39 Arc length for central angle in radians is proportional to? a Radius b Area c Diameter 40 Sine is which ratio of triangle? a Hypotenuse over opposite b Opposite over hypotenuse c Adjacent over hypotenuse 41 What is the circular function value for tan 0°? a 1 b 0 c ∞ 42 Which trig function is defined as opposite over adjacent? a Cosine b Tangent c Sine 43 The unit circle radius is always? a 2 b 1 c 0 44 Angle measure in degrees that equals π radians is? a 270° b 180° c 90° 45 Which is not a circle property? a Area depends on radius b Radius is constant c Circumference depends on radius 46 What is the length of an arc of 60° on a unit circle? a π/3 b π/2 c π/6 47 Radians to degrees: 2 radians ≈ ? a 114.59° b 57.3° c 180° 48 Which is true about radians? a Angle is constant b Arc length equals radius times angle c Arc length equals diameter 49 Area of a circle with r = 3 is? a 3π b 9π c 6π 50 Convert 270° to radians. a 2π b 3π/2 c π/2

Circular Functions (Lowersixth Science Mathematics)

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Circular Functions (Lowersixth Science Mathematics)Version en ligne

par YAKILI LMS

What is 180 degrees in radians?

Convert 90 degrees to radians.

What is the radian measure of a full circle?

If C is the circumference, which formula gives C?

Area of a circle is given by?

What is the relationship between diameter and radius?

Which trigonometric ratio is sine?

Which ratio is cosine?

Which ratio is tangent?

What is sin(0°)?

What is cos(0°)?

What is tan(0°)?

The reciprocal of sine is?

The reciprocal of cosine is?

The reciprocal of tangent is?

Angle of 180 degrees corresponds to which radian?

What is the value of sin(90°)?

What is the value of cos(90°)?

What is the value of tan(90°)?

Circumference of a circle with radius r is?

Length of arc s = rθ in radians. If r=5 and θ=π/3, s = ?

What is the area of a sector with angle θ (radians) and radius r?

If r = 7 and θ = π/2, area of sector is?

What is the unit circle value of sin 30°?

What is cos 60°?

What is tan 45°?

Which angle is supplementary to 40°?

Complementary angle to 40° is?

Radian measure of π/3 equals?

Period of sine function y = sin x is?

Period of tangent function is?

What is sin(π/6)?

What is cos(π/3)?

Which angle has sin = 0?

Which angle has cos = 0?

Which angle has tan undefined?

Circumference formula uses which symbol for radius?

If a circle has diameter d, radius r equals?

Arc length for central angle in radians is proportional to?

Sine is which ratio of triangle?

What is the circular function value for tan 0°?

Which trig function is defined as opposite over adjacent?

The unit circle radius is always?

Angle measure in degrees that equals π radians is?

Which is not a circle property?

What is the length of an arc of 60° on a unit circle?

Radians to degrees: 2 radians ≈ ?

Which is true about radians?

Area of a circle with r = 3 is?

Convert 270° to radians.