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Grade 11Trigonometry

the least value of cos^2 theta – 6sin theta + 3sin^2 theta + 2 is

Profile image of Harshit
10 Years agoGrade 11
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1 Answer

Profile image of Lab Bhattacharjee
10 Years ago
\text{Using } \cos^2A=1-\sin^2A, \\ \text{the expression reduces to } 3(\sin\theta-1)^2

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