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How to remember the values correctly in exams

How to remember the values correctly in exams

Grade:12

1 Answers

bharat bajaj IIT Delhi
askIITians Faculty 122 Points
6 years ago
Just remember only the sine values of the angles.. You may calculate its corresponding cos values by the equation
(sin x)^2 + (cos x)^2 = 1
Also, to know that your value is correct roughly, check that sin x is increasing from 0 to 90.. and cos x is decreasing from 0 to 90.
THanks
Bharat Bajaj
askiitians faculty

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