If cosA=3/4, then 32 sin\ A/2 sin\ (5A)/...

If `cosA=3/4,` then `32 sin\ A/2 sin\ (5A)/2=` (A) `sqrt(11)` (B) `-sqrt(11) (C) 11 (D) -11

If cosA=3/4, then 32 sin\ A/2 sin\ (5A)/2= (A) sqrt(11) (B) -sqrt(11) ...
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Simplify the following expressions: (i)\ (11+sqrt(11))\ (11-\ sqrt(11)...
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On the ellipse 2x^(2)+3y^(2)=1 the points at which the tangent is para...
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If cosA=3/4, then 32 sin\ A/2 sin\ (5A)/2= (A) sqrt(11) (B) -sqrt(11) ...
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Simplify (sqrt(11)+sqrt(8))(sqrt(11)-2sqrt(2))
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सरल कीजिए - (11+sqrt(11))(11-sqrt(11))
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Slove (3-sqrt(11)) (3+ sqrt(11))
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Prove that tan. (3pi)/(11) + 4 sin. (2pi)/(11)=sqrt( 11).
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If cosA=(3)/(4) and k sin ((A)/(2))sin((5A)/(2))=(11)/(8). Find k.
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