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Sign of Trigonometric Ratios in Different Quadrants

∠ ACB =90∘, ∠...

Question

In the figure given below, ∠ACB = 90^o, ∠BDC = 90^o, CD = 4 cm, BD = 3 cm, AC = 12 cm. cos A - sin A is equal to:

A

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B

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C

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D

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Solution

The correct option is B

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Sign of Trigonometric Ratios in Different Quadrants

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