Question

is it true that sin(A+B)=sinA+sinB

Answer 1

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Answer 2

No

Sin (A+ B) is not equal to Sin A + Sin B

Let A be 30 degree and B be 60 degree

Then if Sin (A + B) = Sin A + Sin B

But Sin ( 30 + 60 ) = Sin 90 = 1 is not equal to sin 30 + sin 60 which is 1/2 + √3/2

Therefore, no the statement is false.