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sin30degrees + cos0degree – tan45degrees + cot 45 degrees – sec 60degrees + cosec30degrees

By Mary

sin30degrees + cos0degree – tan45degrees + cot 45 degrees – sec 60degrees + cosec30degrees

About the author
Mary

How can you show with the help of experiment:
1)Sodium chloride solution is a good conductor of electricity,
2)Iron is


A line of length 1.5 meters was
measured 1.55 by mistake.
Find the error percentage. ​

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