Mathematics · Trigonometry
यदि 3 sin2θ + 7 cos2θ = 4 है, जहाँ 0° < θ < 90° है, तो θ का मान (डिग्री में) क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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सही उत्तर देखें
30°
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