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Trigonometric Multiple Angles~ Multiple choice
Given are some identities of trigonometric multiple Angles. Guess its formula
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Last updated: November 27, 2019
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| First submitted | November 27, 2019 |
| Times taken | 15 |
| Average score | 33.3% | Report this quiz | Report |
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1.
Sin(2θ)
2 Sin θ Cos θ
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2 Sin θ 2 Cos θ
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Sin θ 2 Cos θ
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Sin 2 θ Cos 2 θ
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2.
Cos(2θ)
Sin2 θ - Cos2 θ
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Cos2 θ - Sin2 θ
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Sin 2 θ - Cos 2 θ
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Cos 2 θ - Sin 2 θ
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3.
Tan2 θ
(1 + Cos 2θ)/(1 - Cos 2θ)
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(Cos2 θ + 1)/(Cos2 θ - 1)
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(1 - Cos 2θ)/(1 + Cos2θ)
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(Cos2 θ - 1)/(Cos2 θ + 1)
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4.
Sin(3θ)
4 Sinθ - 3 Sin 3θ
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3 Sin3θ - 4 Sinθ
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3 Sinθ - 4 Sin4θ
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3 Sinθ - 4 Sin3θ
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5.
Cos(3θ)
4 Cos3θ - 3 Cosθ
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3 Cos4θ - 4 Cosθ
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4 Cos4θ - 3 Cosθ
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3 Cos3θ - 4 Cosθ
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6.
Tan(3θ)
(2 tanθ - tan3θ)/(1 - 2 tan3θ)
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(3 tanθ - tan3θ)/(3 - 1 tan2θ)
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(3 tanθ - tan3θ)/(1 - 3 tan2θ)
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(3 tanθ - tan2θ)/(1 - 3 tan3θ)
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7.
2Cos2θ
1 + Cos(2θ)
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Cos(2θ) - 1
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Cos(2θ) + 1
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1 - Cos(2θ)
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8.
2Sin2θ
Cos(2θ) + 1
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1 - Cos(2θ)
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1 + Cos(2θ)
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Cos(2θ) - 1
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9.
Tan(2θ)
2 tanθ/(2 - tan2θ)
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(2 - tan2θ)/2 tanθ
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2 tanθ/(1 - tan2θ)
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2 tanθ/(1 + tan2θ)
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