Higher Secondary Question Paper Solution of Year 2022 Question No: B(ix)
A = ( 1, 0, 2 ) এবং B = (0, 1, 1) হলে AB -এর দিকে কোসাইনগুলি হবে
(a) 1, -1, 1 (b) \(\frac{1}{\sqrt3}, -\frac{1}{\sqrt3}, \frac{1}{\sqrt3}\)
(c) \(-\frac{1}{\sqrt3}, \frac{1}{\sqrt3}, \frac{1}{\sqrt3}\) (d) \(\frac{1}{\sqrt2}, -\frac{1}{\sqrt2}, \frac{1}{\sqrt2}\)
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