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BANSAL HINDI-COMPOUND ANGLE (TRIGONOMETRY PHASE - I) -EXERCISE - 5 (RANK BOOSTER)
- माना "cos" (pi)/(7) + "cos"^(2) (pi)/(7) - "2 cos"^(3) (pi)/(7) का यथा...
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- माना "cos" (pi)/(7) + "cos"^(2) (pi)/(7) - "2 cos"^(3) (pi)/(7) का यथा...
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- यदि alpha = (pi)/(7) हो, तो ((1)/(cos alpha) + (2 cos alpha)/(cos 2 al...
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- यदि a sec (200^(@)) - c tan (200^(@)) = "d तथा b sec" (200^(@)) + d ta...
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- एक समकोणीय त्रिभुज ABC में कोण A तथा कोण B न्यून कोण है तथा tan A + ta...
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- 3 sin beta = sin (2 alpha + beta) पर विचार कीजिए | माना (tan (alpha + ...
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- A in (0, (pi)/(4)) के लिए, यदि (1 + (cos 3A)/(cos A)) + (1 + (cos 6A)/...
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- यदि (1 + sin t) (1 + cos t) = (5)/(4) हो, तो (1 - sin t) (1 - cos t) क...
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- माना k = 1^(@) हो, तो सिद्ध कीजिए कि sum(n=0)^(88) (1)/(cos nk.cos(n+1...
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- {:(,"LrEHk-I",,"LrEHk-II"),((A),"दिया है कि"(1 + tan 1^(@))(1 + tan 2^...
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