Abstract: As the activeness of most species and plants depends on illumination and brightness of the Sun, sun cells a efficient during day. Moreover, the solar arrays cost less if they operate at ...
India has a rich ancient history of great achievements in mathematics which has been disseminated in the world and has led ...
When I was in middle school, I had a classmate who would look at trigonometric functions and yell, "I will never need these!" ...
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