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ఒకటికి tan 45° యొక్క వర్గాన్ని కలిపిన విలువను గణించండి.

A0
B2
C1/2
D1
Answer & Solution
Correct answer: B. 2
Tan 45 విలువ 1, కాబట్టి 1 + 1 = 2, ఇది sec squared 45 కు సమానం.
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