Exercise: Trigonometry

2. A man lying down on a 40m cliff, with its base in the sea, spots a boat sinking. It has

an angle of depression of 29.5°.

a. Draw a diagram to show this information

Sarah is making flower bouquets that she will put in 10 vases. She will put 15 roses and some lilies in each vase. Which expressions represent the total number of flowers Sarah will put in all the vases? Choose all answers that are correct. a.

Roy buys a coat for $86.40, which includes an 8% sales tax. Which equation could you use to find the cost of the coat, c, without the sales tax?

A rectangular parking space is to be enclosed using ready-made fencing structures. If the parking space can only have a perimeter of 2000 m, then what is the maximum area that it can have?

Leroux Health Insurance is considering changing the options in one of their health care plans (Plan A) based on customer feedback that prescriptions and regular visits to the doctor are too expensive for the insured individual.

Solve the equation. 5x + 6 = 2 (2x - 3)

In an Algebra II class with 135 students, the final exam scores have a mean of 72.3 and standard deviation 6.5. The exams on the exams are whole numbers, and the grade pattern follows a normal curve. a.

What is the approximate area of the circle shown below 9.4cm

What is 56 * 56 equals 256?

Use the values in the table to determine the slope

Use the table provided to determine the total amount paid on a 30 year fixed loan, at 6.0%, of $75,000. $162,000 c. $143,820 b. $153,750 d. $133,250