If A - B - C - the maximum value of cos A -cos B -cos C can have is -A- 3-2B- 2C- 3D- 1

The correct option is A 3/2If A + B + C =π, then the maximum value cos A + cos B + cos C can have is = 3/2. The proof of this beyond the scope of this chapter. ...

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Standard XII

Mathematics

Circum Radius

If A + B + C ...

Question

If A + B + C = $π,$ the maximum value of cos A + cos B + cos C can have is --

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\frac{3}{2}

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Solution

The correct option is B $\frac{3}{2}$
If A + B + C = $π,$ then the maximum value cos A + cos B + cos C can have is = $\frac{3}{2} .$
The proof of this beyond the scope of this chapter.

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If A + B + C = π, the maximum value of cos A + cos B + cos C can have is --

The correct option is B 32If A + B + C =π, then the maximum value cos A + cos B + cos C can have is = 32. The proof of this beyond the scope of this chapter.

If A + B + C = $π,$ the maximum value of cos A + cos B + cos C can have is --

The correct option is B $\frac{3}{2}$
If A + B + C = $π,$ then the maximum value cos A + cos B + cos C can have is = $\frac{3}{2} .$
The proof of this beyond the scope of this chapter.