Question: 1. Which statement is true for all real values of ? A sec 2 tan 2 = 1 B tan 2 sec 2 = 1

1.

Which statement is true for all real values of?

A

 sec2 tan2= 1

B

 tan2 sec2= 1

2.

Which of the following is the simplified expression of1 - 1/sin2x?

A

 cot2x

B

 cot2x

3.

The expression-1+tan x/1+tan x can be rewritten as which of the following?

A

 tan ( 3/4 - x)

B

 tan ( 3/4 + x)

4.

Which of the following is the exact value ofcos()cos(/4)-sin()sin(/4)?

A

 3/2

B

 - 2/2

5.

What is the exact value of sin(285)?

A

 -2-6/4

B

 -2+6/4

6.

Which of the following expressions could be used to determine the exact value of cos 300?

A

 1 2sin2(150)

B

 2sin(150)cos(150)

7.

Givensin=-8/17 and<<3/2what is the exact solution of sin 2?

A

 64/289

B

 240/289

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