- ACB -90- - BDC -90- CD -4 cm - BD -3 cm - AC -12 cm - cos A -sin A is equal to-A- 5-13B- 7-13C- 7-12D- 5-12

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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:

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