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CBSE
Class 10
Mathematics
Mathematics
Introduction to Trigonometry
Question Bank

Which of the following identit...

Single Answer MCQ
Q-00174119

Which of the following identities is NOT true?

1

tan A = sin A/cos A

2

sin²A = 1 - cos²A

3

sec A = tan A/cos A

4

csc A = 1/cos A

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