Question
Asked Nov 16, 2019
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Зл
based on the "unit circle" trigonometric identities
2
5) If cost
JT<t<
4
determine EXACTLY:
d) cot2t-csc2
a) sin
b) sec2t
C) tan
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Зл based on the "unit circle" trigonometric identities 2 5) If cost JT<t< 4 determine EXACTLY: d) cot2t-csc2 a) sin b) sec2t C) tan

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Expert Answer

Step 1

Given:

3
Зл
<t <
2
cost
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3 Зл <t < 2 cost

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Step 2

Formulas used:

Trigonometric Identities:

sint+cos2t1
sect-tant1
cse2t-cot2t1
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sint+cos2t1 sect-tant1 cse2t-cot2t1

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Step 3

Using Trigonometric...

sint =t1-cos'
9
16
sint in negative in third quadrant]
n
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sint =t1-cos' 9 16 sint in negative in third quadrant] n

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