Difference between revisions of "User:Temperal/sandbox"
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(h) <math>\sec( - 585^\circ)</math> | (h) <math>\sec( - 585^\circ)</math> | ||
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==Problem 2== | ==Problem 2== | ||
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In triangle <math>ABC</math>, <math>\angle B = 90^\circ</math>, <math>\sin A = 7/9</math>, and <math>BC = 21</math>. What is <math>AB</math>? | In triangle <math>ABC</math>, <math>\angle B = 90^\circ</math>, <math>\sin A = 7/9</math>, and <math>BC = 21</math>. What is <math>AB</math>? | ||
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==Problem 4== | ==Problem 4== |
Latest revision as of 13:28, 24 March 2020
Contents
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
.