Get premium membership and access questions with answers, video lessons as well as revision papers.
a. Sine -160° = -sine 20°
b. Sine -320° = -sine 40°
c. Sine 449° = sine 89°
d. Sine 760° = sine 40°
joseph rimiru answered the question on November 12, 2017 at 14:34
- If sine ?= 0.6, find all the possible values of ? between 0° and 360°.(Solved)
If sine ?= 0.6, find all the possible values of ? between 0° and 360°.
Date posted: November 12, 2017. Answers (1)
- Given that cosine ? = 0.7 and ? is an acute angle. Find the
a. Sin...(Solved)
Given that cosine θ = 0.7 and θ is an acute angle. Find the
a. Sin θ b. tangent θ
Date posted: November 11, 2017. Answers (1)
- Write down the value of the tangent of 0°, 45°, 135°, 180°, 225°, 315° and 360°(Solved)
Write down the value of the tangent of 0⁰, 45⁰, 135⁰, 180⁰, 225⁰, 315⁰ and 360⁰
Date posted: November 11, 2017. Answers (1)
- Find the value of the cosine and sine of the following angles
0°, 90°, 180°, 270°, and 360°
(Solved)
Find the value of the cosine and sine of the following angles
0⁰, 90⁰, 180⁰, 270⁰, and 360⁰
Date posted: November 11, 2017. Answers (1)
- Given 9.6 cm ÷ 4.4 cm, find
The absolute error in the quotient
The relative error in the quotient.
(Solved)
Given 9.6 cm ÷ 4.4 cm, find
The absolute error in the quotient
The relative error in the quotient.
Date posted: November 11, 2017. Answers (1)
- A rectangular card measures 6.3 cm by 3.5 cm. Find
a. The absolute error in the area of the card.
b. The relative error in the area of...(Solved)
A rectangular card measures 6.3 cm by 3.5 cm. Find
a. The absolute error in the area of the card.
b. The relative error in the area of the card.
Date posted: November 11, 2017. Answers (1)
- A linear equation passing through point (4,0) makes an angle of 45° with the x-axis.
a) find the slope of the equation.
b) Determine the...(Solved)
A linear equation passing through point (4,0) makes an angle of 45° with the x-axis.
a) find the slope of the equation.
b) Determine the equation in the form of y=mx+C.
Date posted: November 11, 2017. Answers (1)
- Three bells ring such that bell A rings after 20minutes,bell B rings after 40minutes and bell C rings after 30minutes.If they rang together at 10.00am.What...(Solved)
Three bells ring such that bell A rings after 20minutes,bell B rings after 40minutes and bell C rings after 30minutes.If they rang together at 10.00am.What time will they ring together the third time?
Date posted: November 11, 2017. Answers (1)
- what is the error in the difference between the measurement 0.82g and 0.41g?(Solved)
what is the error in the difference between the measurement 0.82g and 0.41g?
Date posted: November 11, 2017. Answers (1)
- What is the error in the sum of 5.5 cm and 7.1 cm, if each represents a measurement?(Solved)
What is the error in the sum of 5.5 cm and 7.1 cm, if each represents a measurement?
Date posted: November 11, 2017. Answers (1)
- The thickness of a coin is 0.30 cm.
a. What is the percentage error?
b. What would be the percentage error if its thickness was stated as 0.3...(Solved)
The thickness of a coin is 0.30 cm.
a. What is the percentage error?
b. What would be the percentage error if its thickness was stated as 0.3 cm
Date posted: November 11, 2017. Answers (1)
- The capacity of plastic container is 2 litres to the nearest 0.01litres. Find
a. The limits within which the capacity lies
b. The percentage error.
(Solved)
The capacity of plastic container is 2 litres to the nearest 0.01litres. Find
a. The limits within which the capacity lies
b. The percentage error.
Date posted: November 11, 2017. Answers (1)
- The capacity of a vessel is stated as 3000 millilitres to the nearest 10 millilitres. Find
a. The limit within which the capacity lies.
b. The percentage error
(Solved)
The capacity of a vessel is stated as 3000 millilitres to the nearest 10 millilitres. Find
a. The limit within which the capacity lies.
b. The percentage error
Date posted: November 11, 2017. Answers (1)
- For each of the following functions, find the inverse of the function (a)f(x)=x³+6 (b)f(x)=4v(5x+8)(Solved)
For each of the following functions, find the inverse of the function (a)f(x)=x³+6 (b)f(x)=4v(5x+8)
Date posted: November 10, 2017. Answers (1)
- If A={2,5,8} and B={0,2,6,9}, then AUB will be?(Solved)
If A={2,5,8} and B={0,2,6,9}, then AUB will be?
Date posted: November 10, 2017. Answers (1)
- Estimate the time which the lorry travelling at 89.67km/h will take to cover a distance of 4497 km(Solved)
Estimate the time which the lorry travelling at 89.67km/h will take to cover a distance of 4497 km
Date posted: November 10, 2017. Answers (1)
- A vehicle travelled for 4(1/2)hours and covered a distance of 844 km. estimate the speed of the vehicle.(Solved)
A vehicle travelled for 4(1/2)hours and covered a distance of 844 km. estimate the speed of the vehicle.
Date posted: November 10, 2017. Answers (1)
- Truncate the following numbers to the accuracy given in brackets:
a. 807.376 (2 d.p.)
b. 3.462 (2 s.f.)
c. 57.605 (1 d.p.)
(Solved)
Truncate the following numbers to the accuracy given in brackets:
a. 807.376 (2 d.p.)
b. 3.462 (2 s.f.)
c. 57.605 (1 d.p.)
Date posted: November 10, 2017. Answers (1)
- Round off the following to the nearest
a. Tenths
b. Hundredths
c. Thousandths
i. 68.246
ii. 1.2678
iii. 0.04791
(Solved)
Round off the following to the nearest
a. Tenths
b. Hundredths
c. Thousandths
i. 68.246
ii. 1.2678
iii. 0.04791
Date posted: November 10, 2017. Answers (1)
- Round of to the following to the nearest
a. Thousands
b. Hundreds
c. Tens
i 89546
ii 75342
iii 13177
(Solved)
Round of to the following to the nearest
a. Thousands
b. Hundreds
c. Tens
i 89546
ii 75342
iii 13177
Date posted: November 10, 2017. Answers (1)