Math, asked by Devanshu5112, 7 months ago

If sin a + sin ß + sin y = 3, then cos a + cos B + cos y equals -

Answers

Answered by kailash511

1

Answer:

0

Step-by-step explanation:

put a=b=y=90

sin90=1

lhs 1+1+1=3 then

cos90+cos90+cos90=0 because cos90=0

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