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Sum and Difference, Double, Half Angle Trig Formulas Flashcards | StudBud

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Sum and Difference, Double, Half Angle Trig Formulas

11 terms·StudBud Administration

Sum and Difference, double and half angle of Trig Functions #trigonometry #formulas #identities

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Questions 11

Answers

1
If 270
IV
III
II
I
2
cos(60)cos(45) + sin(60)sin(45)
sin(105)
cos (15)
sin(15)
cos (105)
3
sec(x)
1/cos(x)
1/sin(x)
1-sin(x)
csc(x)
4
sin(A+B)
sin(A)sin(B) - cos(A)cos(B)
sin(A)sin(B)+ cos(A)cos(B)
sin(A)cos(B) - cos(A)sin(B)
sin(A)cos(B)+ cos(A)sin(B)
5
Which of the following is equivalent to this trig expression?
tan(x)
Yes
1
90
6
cos(π/2 - x)
sin x
cos x
cos (π/2)
sin (π/2)
7
sin(2x)
2sin(x)
2sin(x)cos(x)
sin(x)-cos(x)
cos^2(x)+sin^2(x)
8
What is sec(x) given that...
(sqrt(17))/4
sqrt(17)
17
1
9
tan(x) cos(x)
sec(x)
cos(x)
cot(x)
sin(x)
10
cos(A-B)
cos(A)cos(B)-sin(A)sin(B)
cos(A)sin(B)+sin(A)cos(B)
cos(A)sin(B)-sin(A)cos(B)
cos(A)cos(B)+sin(A)sin(B)
11
sin (π/2 - x)
sin x
cos (π/2)
cos x
sin (π/2)