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( 1 ) (A) . There are 5 % defective items in a large bulk of items . find the probability that the sample of 10 items will include ,
1 ) more than 1 defective item
2 ) exactly two of them are defective .
(B) Using vector method prove that sin ( A + B ) = sinA.cosB +
cosA + sinB .
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Sorry, Just know the second ques.
But the real question is
sin ( A + B ) =sinA.cosB +cosA.sinB
But the real question is
sin ( A + B ) =sinA.cosB +cosA.sinB
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