Simplify the following trigonometric expression as much as possible: cos B sin B tan B Select the co

1
Simplify the following trigonometric expression
as much as possible cos B sin B tan B Select
the correct answer

• sec B
• cos B
• sin B
• tan B

2
Use an addition or subtraction formula to find
the exact value of the expression image Select
the correct answer

• image
• image
• image

3
Use an addition or subtraction formula to write
the expression as a trigonometric function of one
number image . Select the correct answer

• image
• image
• image
• image

4
Find sin 2x, cos 2x, and tan 2x from the given
information image Select the correct answer

• image
• image
• image

5
Write the following sum as a product image
Select the correct answer

• image
• image
• image

6
Find all solutions of the following equation
image Select the correct answer, where k is any
integer

• image
• image
• image
• image

7
Use an addition or subtraction formula to
simplify the following equation. Then find all
the solutions in the interval image sin 4 x cos
3 x - cos 4 x sin 3 x 0 Select the correct
answer

• image
• image
• image
• image

8
Find the indicated power using DeMoivres
Theorem. ( 1 - i ) 24 Select the correct answer

• 4,096
• -4,096
• -4,096 i

9
u i j, v i - j, find 7 u - 2 v. Choose the
correct answer from the following

• image
• image
• image
• image

10
The forces F 1, F 2, ..., F n acting at the same
point P are said to be in equilibrium if the
resultant force is zero, that is, if F 1 F 2
... F n 0. F 1 i j, F 2 i - j, F 3 4
i 8 j Find the additional force required for
the forces to be in equilibrium P. Choose the
correct answer from the following

• F 4 -6i - 8j
• F 4 -6i 8j
• F 4 6i 8j
• F 4 8i - 6j

11
Find the component of u along v. u 10 i - 14 j
, v 2 j. Select the correct answer

• -7
• 7
• -14
• 14