Mathematics · Trigonometry
समीकरण cos2θ + sin θ + 1 = 0 का हल निम्नलिखित में से किसके बीच स्थित है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(- π 4 , π 4 )
- 2( π 4 , 3π 4 )
- 3( 5π 4 , 7π 4 )✓
- 4( 3π 4 , 5π 4 )
सही उत्तर देखें
( 5π 4 , 7π 4 )
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