5 years ago in Quantitative Aptitude

If sin θ + sin2 θ = 1, then the value of cos12 θ + 3cos10 θ + 3cos8 θ + cos6 θ – 1 is
अगर sin θ + sin2 θ = 1, तो θ + 3cos10 θ + 3cos8 θ + cos6 θ – 1 का मान क्या है?

[A]
[B] 1
[C] -1
[D] 2
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Mili Suranajain
Mili Suranajain - 3 years ago

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Mahantesh Janjeer - 4 years ago

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Krishna Pandatboy - 4 years ago

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