A proxy war is <span>a war instigated by a major power that doesn't want itself to become involved.</span>
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Answer:
the adjectival phrases ....
1. A person <em><u>without money or friends</u></em> is seldom respected.
2. A stitch <em><u>in time</u></em> saves nine.
3. Please tell me a story <em><u>of adventures</u></em>.
Explanation:
as adjectives ...
1. A <em><u>penniless, friendless person</u></em> is seldom respected.
2. A <em><u>timely</u></em> stitch saves nine.
3. Please tell me an<em><u> adventure</u></em> story.
As per convention:
- the angle at A is named A, the angle at B is named B, and the angle at C is named C
- the side of leght a is the side opposed to A, the side of length b is opposed to B, and the side of length c is opposed to C.
Now just state the law of cosines:
c^2 = a^2 + b^2 - 2ab cos(C)
Also, a^2 = c^2 + b^2 - 2bc cos (A)
And, b^2 = a^2 + c^2 - 2ac cos (B)