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Two unbiased coins are tossed . Find the...

Two unbiased coins are tossed . Find the probability of getting : (i) two heads and (ii) at least one head .

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AGRAWAL PUBLICATION-(2019) QUESTION PAPER-EXAMPLE
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  9. If tan(A +B) = 1 and tan(A - B) = 1/ sqrt 3, 0^@ < A + B < 90^@, A>B, ...

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