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The point P on the unit circle that corresponds to a real number t is . Find cos t.

Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given angle. Give exact answers with rational denominators.Find csc B when a = 7 and b = 8.

Use identities to find the exact value of the indicated trigonometric function of the acute angle θ. Find tan θ when sin θ =  and cos θ = .

Determine the period of y = sin 3x.

A radio transmission tower is 250 feet tall. How long should a guy wire be if it is to be attached 11 feet from the top and is to make an angle of 35° with the ground? Give your answer to the nearest tenth of a foot.

A point on the terminal side of angle θ is (9, 12). Find the exact value of cos θ.

Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given angle. Give exact answers with rational denominators.Find sec B when a = 8 and b = 5.

If s denotes the length of the arc of a circle of radius r subtended by a central angle θ, find the missing quantity.r = 12.4 inches, θ = 30°, s = ?

Professional Ethics – Learning to use polite use of coercion (force) is the key to becoming an ethical professional because people with whom you deal won’t know they are being exploited. In other words, it’s okay to exploit people if you are nice to them.

In the two graphs below (left and right), blue lines are sales and red lines are forecast. Which forecast has a relatively smaller smoothing constant α?