AnswersPrecalculusTrigonometric Difference Identities

Trigonometric Difference Identities Answers

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1. identity

A
Cofunction
B
Quotient
C
Reciprocal
2
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2. Trigonometric identities

A
difference
B
quotient
C
sum
3

3. Divide numerator and denominator by

A
cos(x)sin(y)
B
cos(x)cos(y)
C
sin(x)cos(y)
4

(°)

A
sin
B
cos
C
tan
5

Find the exact value of sin⁡(105°).

A
Option
B
Option
C
Option
D
Option
6

(°)

A
21
B
36
C
57
D
78

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