How do you solve this?

1 answer:

Pepsi [2]3 years ago

3 0

From symmetry of sin(x) about pi/2, we know that sin(x)=sin(pi-x).
Therefore
sin(x)+sin(pi-x)=sin(x)+sin(x)=2sin(x).

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Andrei [34K]

if there are 4 numbers that average to 60, when mutiplied they must come up to: 60*4= 240

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240-175= 65

PROOF:

100+30+45+65= 240

240÷ 4

= 60

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