Respuesta :

bharathram3505

Answer:

If 0 lies in the quadrant IV. What can be the value of cos 0 ? The angle 0 does not lie in any of the four quadrants, it lands directly in between quadrants I and IV. The value of cos 0 is always 1.

CHERLYNnotCHERRY

Answer:

The answer is D.

Step-by-step explanation:

On Quadrant IV, cosine will be positive. So in the options above, only D satisfy the Cosine Rule.

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