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Find the cos(90 – x)^{0} giving the answer to 4 significant figures.

Class: Form 2

Subject: Mathematics

Topic: Trigonometry 1

## Lesson Summary

### Text Answer

Next: Factorize completely the expression below

Previous: The cost of 2 jackets and 3 shirts was ksh. 1800. After the cost of a jacket and that of a shirt were increased by 20%, the cost of 6 jackets and 2 shirts was ksh. 4800. Calculate the new cost of a jacket and that of a shirt.

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## More Video Lessons

- The cost of 2 jackets and 3 shirts was ksh. 1800. After the cost of a jacket and that of a shirt were increased by 20%, the cost of 6 jackets and 2 shirts was ksh. 4800. Calculate the new cost of a jacket and that of a shirt.
The cost of 2 jackets and 3 shirts was ksh. 1800. After the cost of a jacket and that of a shirt were increased by 20%, the cost of 6 jackets and 2 shirts was ksh. 4800. Calculate the new cost of a jacket and that of a shirt.

Date posted: March 13, 2019

- Three business partners, Kioko, Njau and Osaiko, are to share sh 12000 in the ratio 5:6:x respectively. If Kioko received sh 4,000 determine the value of x.
Three business partners, Kioko, Njau and Osaiko, are to share sh 12000 in the ratio 5:6:x respectively. If Kioko received sh 4,000 determine the value of x.

Date posted: March 13, 2019

- In a race, Ogot running at a constant speed of 8m/s, is 5m ahead of Ondiek. If Ondiek maintains a constant speed of 10m/s, how far does Ondiek run before catching up with Ogot?
In a race, Ogot running at a constant speed of 8m/s, is 5m ahead of Ondiek. If Ondiek maintains a constant speed of 10m/s, how far does Ondiek run before catching up with Ogot?

Date posted: March 13, 2019

- Which one of the following numbers is eleven million eleven thousand one hundred and one?
A. 11011011 B.11011101 C.11101101 D.11011001
Which one of the following numbers is eleven million eleven thousand one hundred and one?

A. 11011011 B.11011101 C.11101101 D.11011001Date posted: March 13, 2019

- What is the value in the question below?

Date posted: March 13, 2019

- What is 45,273 rounded off to the nearest hundred?
A. 45,300 B.45,000 C.45,200 D.45,270
What is 45,273 rounded off to the nearest hundred?

A. 45,300 B.45,000 C.45,200 D.45,270Date posted: March 13, 2019

- What is the value of x in the equation?
2(3x – 2) = 3x + 8

Date posted: March 13, 2019

- Mwongela paid sh 330 for a pocket radio after the shopkeeper gave him a 12% discount. What was the marked price of the radio?
A.sh 300 B.sh 369.60 C.sh 375 D.sh 350
Mwongela paid sh 330 for a pocket radio after the shopkeeper gave him a 12% discount. What was the marked price of the radio?

A.sh 300 B.sh 369.60 C.sh 375 D.sh 350Date posted: March 13, 2019

- Opio borrowed sh 54 000 from a bank which charged interest at the rate of 18% per annum. He repaid the whole amount of the loan after 8 months. How much money did he pay back?
A.sh 6480 B.sh 60480 C.sh 14 580 D.sh 77 760
Opio borrowed sh 54 000 from a bank which charged interest at the rate of 18% per annum. He repaid the whole amount of the loan after 8 months. How much money did he pay back?

A.sh 6480 B.sh 60480 C.sh 14 580 D.sh 77 760Date posted: March 14, 2019

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- A shopkeeper displayed the prices of items in his shop as follows:
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1 packet of salt sh 25
1 kg packet of tea leaves sh 155
1 loaf of bread sh 20
A shopkeeper displayed the prices of items in his shop as follows:

1 kg of sugar sh 48

1 kg of cooking fat sh 110

1 packet of salt sh 25

1 kg packet of tea leaves sh 155

1 loaf of bread sh 20Date posted: March 15, 2019

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A.Tuesday 1.55 a.m B.Tuesday 1.55 p.m

C.Monday 1.55 a.m D.Wednesday 1.55 p.mDate posted: March 15, 2019

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Date posted: March 15, 2019

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Date posted: March 15, 2019

- Evaluate the question below

Date posted: March 15, 2019

- Work out the following question

Date posted: March 15, 2019

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Date posted: March 15, 2019

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In a certain commercial bank, customers may withdraw cash through one of the two tellers at the counter. On average, one teller takes 3 minutes while the other teller take 5 minutes to serve a customer.

Date posted: March 15, 2019

- Without using a calculator evaluate the question below

Date posted: March 15, 2019

- A fruit vendor bought 1948 oranges on a Thursday and sold 750 of them on the same day. On Friday, he sold 240 more oranges than on Thursday.
A fruit vendor bought 1948 oranges on a Thursday and sold 750 of them on the same day. On Friday, he sold 240 more oranges than on Thursday. On Saturday he bought 560 more oranges. Later that day, he sold all the oranges he had at a price of ksh 8 each. Calculate the amount of money the vendor obtained from the sales of Saturday.

Date posted: March 15, 2019