sec15/cosec75+sin72/cos18-tan33/cot57
Answers
Answered by
1
Answer:
1+1-1=0
Explanation:
sec15 =cos75
sin72= cos18
tan33=cot57
Answered by
0
Explanation:
1. Mention the two precautions to determine the boiling point of water in laboratory.
Answer.
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