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कोणत्याही θ कोनासाठी sin²θ + cos²θ चे मूल्य काय आहे?

A1
B0
Csin 2θ
D2
Answer & Solution
Correct answer: A. 1
हे पायथागोरसचे नित्यसमीकरण आहे, ज्याचे मूल्य नेहमी 1 असते.
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