Math 152 Exam 2 Trig

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13 Terms

1
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x²+a² goes to

x = atan(theta)

2
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a²-x² goes to

x = asin(theta)

3
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x²-a² goes to

x = asec(theta)

4
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cos²x+sin²x

=1

5
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tan²x+1

=sec²x

6
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sin(2x)

=2sin(x)cos(x)

7
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cos²x

=½ +1/2cos(2x)

8
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sin²x

=1/2-1/2cos(2x)

9
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integral secx dx

= ln |secx + tanx| +C

10
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integral secxtanx dx

= secx + C

11
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integral cscxcotx dx

=-cscx + C

12
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integral csc²x dx

= -cotx + C

13
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