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RESONANCE HINDI-PHYSICS(DPP NO.2)-बहुविकल्पीय प्रश्न
- सूत्र cos (A + B) = cosA cos B - sin A sin B, का प्रयोग करके sin 15^(@...
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- cos (A - B) =
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- sin (A + B) =
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- sin (A - B) =
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- sin A + sin B
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- sin A - sin B =
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- cosA + cosB =
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- cosA – cosB =
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- sin (15^(@)) का मान है
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- sin (75^(@)) का मान है
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- sin 300^(@) बराबर है -
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- sin (90^(@) +theta) होता है
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- sec (pi + theta)
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- यदि theta = 120^(@) तब
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- sin (750^(@)) =
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- cos ((11 pi)/(6)) =
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- tan 225^(@) का मान है -
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- यदि f(x) = 3x + 4x^(2) - 2 हो तो f(-1) का मान होगा :
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- यदि f(x) = sin ^(3) x - cos (2x) , हो तो f((pi)/( 2)) का मान होगा :
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- यदि f(x) = sin^(2) x - cos ^(2) x तब f( pi // 12) ज्ञात करें
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