Trigonometry 1

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Last updated 5:00 AM on 7/28/26
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12 Terms

1
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sin^2(θ) + cos^2(θ)

1

2
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1 + tan^2(θ)

sec^2(θ)

3
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1 + cot^2(θ)

cosec^2(θ)

4
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sin^4(A) + cos^4(A)

1 - 2 * sin^2(A) * cos^2(A)

5
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sin^6(A) + cos^6(A)

1 - 3 * sin^2(A) * cos^2(A)

6
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sin(A + B)

sin(A) * cos(B) + cos(A) * sin(B)

7
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cos(A + B)

cos(A) * cos(B) - sin(A) * sin(B)

8
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sin(A - B)

sin(A) * cos(B) - cos(A) * sin(B)

9
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cos(A - B)

cos(A) * cos(B) + sin(A) * sin(B)

10
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tan(A + B)

[tan(A) - tan(B)] / [1 + tan(A) * tan(B)]

11
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tan(A - B)

[tan(A) - tan(B)] / [1 + tan(A) * tan(B)]

12
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2 * sin(A) * cos(B)

sin(A + B) + sin(A - B)