Law of cosine is applicable if we know

(a) and (b) both

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All three angles

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Two sides and angle included

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All three sides of a triangle

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Solution

The correct option is A
(a) and (b) both

Law of cosines is applicable if we know all three side of a triangle or two sides and angle included.

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Law of cosine is applicable if we know

The correct option is A (a) and (b) both Law of cosines is applicable if we know all three side of a triangle or two sides and angle included.

The correct option is A
(a) and (b) both

Law of cosines is applicable if we know all three side of a triangle or two sides and angle included.