allery1 + tan² 45° का मान ज्ञात कीजिए।
A0
B2
C1/2
D1
Answer & Solution
Correct answer: B. 2
tan 45° का मान 1 होता है, इसलिए 1 + 1 = 2, जो sec² 45° के बराबर है।
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