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Trigonometry : Easy !

Choose the right answer using basic principal of trigonometry.

Your answers must match the highlighted question.

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      • sin (90+A) = ...
      • A:
      • cos A
      • B:
      • -cos A
      • 2 sin A cos A = ...
      • A:
      • sin 2A
      • B:
      • cos 2A
      • cos A / sin A = ..
      • A:
      • tan A
      • B:
      • cot A
      • 1+ (tan A)^2 = ...
      • A:
      • (sec A)^2
      • B:
      • (csc A)^2
      • 1- (sin A)^2 = ...
      • A:
      • cos 2A
      • B:
      • (cos A)^2
      • 1 - sin 2A = ...
      • A:
      • (sin A + cos A)^2
      • B:
      • (sin A - cos A)^2
      • [1-cos A] / sin A = ...
      • A:
      • tan (A/4)
      • B:
      • tan (A/2)
      • 1- 2 [(sin A)^2] = ...
      • A:
      • sin 2A
      • B:
      • cos 2A

Tags

Trigonometry

Quiz created by Reinhard

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