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1 கூட்டல் tan 45°-இன் வர்க்கத்தின் மதிப்பைக் காண்க.

A0
B2
C1/2
D1
Answer & Solution
Correct answer: B. 2
Tan 45 என்பது 1, எனவே 1 + 1 = 2, இது sec squared 45-க்கு சமம்.
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