Question

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Answer 1

Answer:

The computer is one of the best creations of man. It is the most refreshing result of science and innovation that has made our lives so simpler. Computers are getting ubiquitous as we can find computers from anywhere, like from homes, schools, universities, workplaces, research centers to libraries, exhibition halls, and even emergency clinics. A computer is a machine that can store enormous measure of information and can carry out various responsibilities in a lot lesser time contrasted with people. It gathers contribution from users, processes it, and conveys the usual outcome as output. The primary mechanical Computer was made by Charles Babbage. The significant parts of a computer are – Mouse, Keyboard, Central Processing Unit (CPU), and the Monitor.

In this day and age, people have gotten so subject to Computers that it is unimaginable for them to live without it. What makes Computers so significant is its use, productivity, and pure openness. The astonishing advantages of computers make it the most required innovation.

Computers are of incredible use in the field of Education. It assists instructors with planning introductions for workshops; students think it’s simple to work on their projects from their homes utilizing a computer. Every single money related exchange, representative record keeping, business forms are done through computers. Computers are utilized while directing clinical methods like X-rays, CT scans, MRI examine, and so forth. PCs are an aid to the defense office as they help identify approaching rockets, diagnosing bombs in this way help in sparing lives. The computer is a superb endowment of science made by man to support humanity. Computers are administering the present reality, and these have certainly changed the lifestyle of individuals and the status of creating nations.

Explanation :-

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Answer 2

$\begin{gathered}\begin{gathered}\begin{gathered}\begin{gathered}\begin{gathered}\begin{gathered}\sf trigonometry\: table \\ \begin{gathered}\begin{gathered}\begin{gathered}\begin{gathered}\boxed{\boxed{\begin{array}{ |c |c|c|c|c|c|} \bf\angle a & \bf{0}^{ \circ} & \bf{30}^{ \circ} & \bf{45}^{ \circ} & \bf{60}^{ \circ} & \bf{90}^{ \circ} \\ \\ \rm sin a & 0 & \dfrac{1}{2}& \dfrac{1}{ \sqrt{2} } & \dfrac{ \sqrt{3}}{2} &1 \\ \\ \rm cos \: a & 1 & \dfrac{ \sqrt{3} }{2}& \dfrac{1}{ \sqrt{2} } & \dfrac{1}{2} &0 \\ \\ \rm tan a & 0 & \dfrac{1}{ \sqrt{3} }&1 & \sqrt{3} & \rm \infty \\ \\ \rm cosec a & \rm \infty & 2& \sqrt{2} & \dfrac{2}{ \sqrt{3} } &1 \\ \\ \rm sec a & 1 & \dfrac{2}{ \sqrt{3} }& \sqrt{2} & 2 & \rm \infty \\ \\ \rm cot a & \rm \infty & \sqrt{3} & 1 & \dfrac{1}{ \sqrt{3} } & 0 \end{array}}}\end{gathered}\end{gathered}\end{gathered} \end{gathered}\end{gathered}\end{gathered}\end{gathered}\end{gathered} \end{gathered}\end{gathered}$