User:Temperal/sandbox
Contents
[hide]Problem 1
Evaluate the following expressions:
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
Problem 2
Using the unit circle, find and in terms of and .
Problem 3
In triangle , , , and . What is ?
Problem 4
What does the graph of look like compared to the graphs of and ? What about the graph of ?
Problem 5
Find the value of
Problem 6
Suppose that parallelogram has , , and the shorter diagonal has length 2. If the height of the parallelogram is , find the perimeter of in terms of .
Problem 7
Given a positive number and a number satisfying , for how many values of with is ? What if or ?
Problem 8
How many solutions are there to the equation , where is in radians?
Problem 9
Determine all such that and .
Problem 10
Find the value of . Hint: Draw an isosceles triangle with vertex angle .