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**dnricks** If anyone could help me with a few trig problems, that would be amazing!!!

1. Find θ to four significant digits for 0 ≤ θ < 2π where csc θ = -1.401

A. 0.6199, 8.805

B. 0.7949, 5.488

C. -2.776, 3.936

D. 3.936, 5.488

2. Simplify the expression: cos(x – y)cos y - sin(x + y)sin y

A. cos x

B. cos (x-2y)

C. sin x

D. cos (x+2y)

3. Find the exact value of x. cos^-1 (x) = csc^-1 (5/4)

A. (√41)/4

B. 3/4

C. 3/5

D. (√41)/5

4. Write the complex number in polar form. -4√2 + 4i√2

A. 8 cis (-135°)

B. 8 cis 45°

C. 8 cis 135°

D. 8 cis (-45°)

5. Find the central angle, x, of a circle of radius 264.2 m and the area of the sector is 69.8 m2.

A. 0.00314

B. 0.00100

C. 0.00400

D. 0.00200

6. Solve the equation, 4 log 4 + log x = 6

A. 3906.2500

B. 2.56 * 108

C. 62,500.0000

D. 8994.4730

7. A patio is designed in the shape of an isosceles trapezoid with bases 5.0 m and 7.0 m. The other sides are 6.0 m each. Write one or two paragraphs explaining how to use the sine to find the internal angles of the patio.

8. In checking the angles of a section of a bridge support, an engineer finds the expression sin(2 cos-1 0.70). Write a paragraph explaining how the value of this expression can be found without the use of a calculator.

Thanks so much if you can help me out!!!