sin a1 + sin a2 + sin a3 = -3
What is cosa1 +cos a2 +cosa3=

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sin a1 + sin a2 + sin a3 = -3
What is cosa1 +cos a2 +cosa3=

Pooja Khanna · Accepted Answer

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https://www meritnation
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sin a1 + sin a2 + sin a3 = -3 What is cosa1 +cos a2 +cosa3=