Question

solve it guys please answer it fast i want correct answers guys ​

Answer 1

Answer:

6)31/480

7) (20, 16, 15)

8) k = 4

9)The order of Matrix A : m * p

The order of Matrix B :n*p

Therefore the order of matrix AB = m * n.

10) 8

11) Rs. 3 , 1.5

Step-by-step explanation:

Solutions in attachment.....

Answer 2

Step-by-step explanation:

$\bf{solve \: it :} \\ \sf \: trigonometry \: table \\ \\ \purple{\fcolorbox{red}{pink}{{{{\: Table {{{{\boxed{\boxed{\begin{array}{ |c |c|c|c|c|c|} \bf\angle A & \bf{0}^{ \circ} & \bf{30}^{ \circ} & \bf{45}^{ \circ} & \bf{60}^{ \circ} & \bf{90}^{ \circ} \\ \\ \rm sin A & 0 & \dfrac{1}{2}& \dfrac{1}{ \sqrt{2} } & \dfrac{ \sqrt{3}}{2} &1 \\ \\ \rm cos \: A & 1 & \dfrac{ \sqrt{3} }{2}& \dfrac{1}{ \sqrt{2} } & \dfrac{1}{2} &0 \\ \\ \rm tan A & 0 & \dfrac{1}{ \sqrt{3} }&1 & \sqrt{3} & \rm \infty \\ \\ \rm cosec A & \rm \infty & 2& \sqrt{2} & \dfrac{2}{ \sqrt{3} } &1 \\ \\ \rm sec A & 1 & \dfrac{2}{ \sqrt{3} }& \sqrt{2} & 2 & \rm \infty \\ \\ \rm cot A & \rm \infty & \sqrt{3} & 1 & \dfrac{1}{ \sqrt{3} } & 0\end{array}}}}}}}}}}}}$