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RD SHARMA-TRIGONOMETRIC RATIOS-All Questions
- If 3costheta-4sintheta=2costheta+sintheta , find tantheta .
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- If tantheta=(20)/(21) , show that (1-sintheta+costheta)/(1+sintheta...
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- If cos e c\ A=2 , find the value of 1/(tanA)+(sinA)/(1+cosA)
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- If /A and /B are acute angles such that cos A=cos B . then show tha...
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- If angleA and angleP are acute angle such that tanA=tanP, then show th...
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- In a /\A B C , right angled at A , if tanC=sqrt(3) , find the valu...
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- State whether the following are true or false. Justify your answer. ...
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- State whether the following are true or false. Justify your answer. ...
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- Evaluate each of the following in the simplest form: sin60ocos30o+c...
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- Evaluate the following expressions: 2sin^2 30otan60o-3cos^2 60osec^...
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- Evaluate the following expressions: 4cot^2 45o-sec^2 60o+sin^2 60o+...
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- Evaluate each of the following: (sin^2 45o+cos^2 45o)/(tan^2 60o) (...
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- Evaluate each of the following: (sin60o)/(cos^2 45o)-cot30o+15cos90...
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- Show that: 2(cos^2 45o+tan^2 60o)-6(sin^2 45o-tan^2 30o)=6 (ii) 2...
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- Solve each of the following equations when 0o<theta<90o . 2costheta...
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- Solve each of the following equations when 0o<theta<90o . 2sin^2the...
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- Find the value of theta in each of the following: (i)2sin2theta=sqrt...
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- If A=30^@ verify that cos3A=4cos^3A-3cosA
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- If x=30^@ , verify that : (i) tan2x=(2tanx)/(1-tan^2x) (ii) sinx=sqr...
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- Verify that: sin60o=(2tan30o)/(1+tan^2 30o)=(sqrt(3))/2 (ii) cos60...
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