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The correct Answer is:
BHARATI BHAWAN-पूरक कोणों के त्रिकोणमितीय अनुपात -प्रश्नमाला 12B
- tan10^(@)tan15^(@)tan75^(@)tan80^(@)=?
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- tan5^(@)tan25^(@)tan65^(@)tan85^(@)tan30^(@)=?
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- cos1^(@)cos2^(@)cos3^(@).......cos180^(@)=?
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- sin47^(@)cos43^(@)+cos47^(@)sin43^(@)=?
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- (2sin^(2)63^(@)+1+2sin^(2)27^(@))/(3cos^(2)17^(@)-2+3cos^(2)73^(@))=?
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- sec70^(@)sin 20^(@)+cos20^(@)cosec70^(@)=?
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- cosec^(2)57^(@)-tan^(2)33^(@)=?
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- sec^(2)10^(@)-cot^(2)80^(@)=?
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- यदि A और B दो ऐसे न्यूनकोण हो कि sinA=cosB, तब (A+B)=?
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- यदि sin3A=cos(A-10^(@)) तथा 3A एक न्यूनकोण है, तो angleA=?
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- यदि sec4A=cosec(A-10^(@)) तथा 4A एक न्यूनकोण है, तो angleA=?
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- sin(45^(@)+theta)-cos(45^(@)-theta)=?
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- यदि cos(alpha+beta)=0 हो, तो sin(alpha-beta)=?
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- ((sin^(2)23^(@)+sin^(2)67^(@)))/((cos^(2)13^(@)+cos^(2)77^(@)))+sin^(2...
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- ((2tan^(2)30^(@)sec^(2)52^(@)sin^(2)38^(@))/(cosec^2 70^(@)-tan^(2)20^...
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- ((cos38^(@)cosec 52^(@))/(tan18^(@)tan35^(@)tan60^(@)tan72^(@)tan55^(@...
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- यदि tanA=(3)/(4) तथा A+B=90^(@) हो, तो cotB का मान क्या होगा?
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- sin(60^(@)+theta)-cos(30^(@)-theta)=?
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- यदि secA=(5)/(3) तथा A+B=90^(@) हो, तो cosecB का मान क्या होगा?
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- sin38^(@)-cos52^(@)=?
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