alleryखंयच्याय कोनाक θ खातीर sin²θ + cos²θ चें मोल कितलें?
A1
B0
Csin 2θ
D2
Answer & Solution
Correct answer: A. 1
ही पायथागोरसाची वळख, जी सदांच 1 इतली आसता.
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