Math, asked by riyarai37466, 4 months ago

3. (cos x + cos y)2 + (sin x - sin y)2 = 4 cos?
xty
2

Answers

Answered by AmanRatan

1

Answer:

cos x + cos y)2 + (sin x - sin y)2 = 4

Step-by-step explanation:

it is a right answer bro

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