CBSE Class 10 Answered
How is tan 42 cot 42 into cot 67 tan 67 equal to 1? or please explain the last step of textbook exercise 8.3, 2nd question 1st problem.....please...
Asked by Kishore Joshi | 23 Jun, 2015, 12:26: PM
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Answered by satyajit samal | 24 Jun, 2015, 08:45: AM
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