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sec²θ માંથી tan²θ બાદ કરતાં હંમેશા કયો અચળાંક મળે છે?

A2
B0
C1
D−1
Answer & Solution
Correct answer: C. 1
sin ના વર્ગ વત્તા cos ના વર્ગ બરાબર 1 ને cos ના વર્ગ વડે ભાગતાં tan નો વર્ગ + 1 = sec નો વર્ગ મળે છે.
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