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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
10 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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