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RD SHARMA-TRIGONOMETRIC RATIOS-All Questions
- Write the acute angle theta satisfying sqrt(3)sintheta=costheta .
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- Write the value of tan10otan15otan75otan80o .
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- If tanA=3/4 and A+B=90^@, then what is the value of cotB ?
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- If tanA=5/(12), find the value of (sinA+cosA)secA .
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- If theta is an acute angle such that costheta=3/5 , then (sinthetatant...
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- If tantheta=a/b , then (asintheta+bcostheta)/(asintheta-bcostheta) is ...
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- If 5tantheta-4=0, then the value of (5sintheta-4costheta)/(5sintheta+4...
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- If 16cotx=12, then (sinx-cosx)/(sinx+cosx) equals (a) 1/7 (b) 3/7 (c) ...
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- If 8tanx=15 , then sinx-cosx is equal to
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- If tantheta=1/(sqrt(7)) , find the value of (cos e c^2theta-sec^2th...
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- If tantheta=3/4, then cos^2theta-sin^2theta= (a) 7/(25) (b) 1 (c) -7/...
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- If theta is an acute angle such that tan^2theta=8/7 , then the value o...
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- If 3costheta=5sintheta, then the value of (5sintheta-2sec^3theta+2cost...
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- If tan^2 45^@-cos^2 30^@=xsin45^@ \ cos45^@, then x is (a) 2 (b) -2 (c...
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- The value of cos^2 17^@ - sin^2 73^@ is (a) 1 (b) 1/3 (c) 0 (d) -1
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- The value of (cos^3 20^@-cos^3 70^@)/(sin^3 70^@-sin^3 20^@) is (a) 1/...
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- If A and B are complementary angles, then (a) sinA=sinB (b) cosA=cos...
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- If xsin(90o-theta)cot(90o-theta)=cos(90o-theta) , then x= (a) 0 (b) 1...
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- If xtan45ocos60o=sin60ocot60o , then x is equal to 1 (b) sqrt(3) (c) 1...
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- If angles A ,\ B ,\ C of a /\A B C form an increasing A P , then sinB=...
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