Question | Answer | % Correct |
---|---|---|
Sin(2θ) | 2 Sin θ Cos θ | 64%
|
Cos(2θ) | Cos2 θ - Sin2 θ | 64%
|
Sin(3θ) | 3 Sinθ - 4 Sin3θ | 45%
|
Tan(3θ) | (3 tanθ - tan3θ)/(1 - 3 tan2θ) | 36%
|
Tan(2θ) | 2 tanθ/(1 - tan2θ) | 27%
|
Cos(3θ) | 4 Cos3θ - 3 Cosθ | 27%
|
2Sin2θ | 1 - Cos(2θ) | 18%
|
Tan2 θ | (1 - Cos 2θ)/(1 + Cos2θ) | 18%
|
2Cos2θ | Cos(2θ) + 1 | 9%
|
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