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If 3costheta-4sintheta=2costheta+sinthet...

If `3costheta-4sintheta=2costheta+sintheta` , find `tantheta` .

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RD SHARMA-TRIGONOMETRIC RATIOS-All Questions
  1. If sintheta=a/b , find sectheta+tantheta in terms of a and b .

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  2. If 8tanA=15 , find sinA-cosA

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  3. If 3costheta-4sintheta=2costheta+sintheta , find tantheta .

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  4. If tantheta=(20)/(21) , show that (1-sintheta+costheta)/(1+sintheta...

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  5. If cos e c\ A=2 , find the value of 1/(tanA)+(sinA)/(1+cosA)

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  6. If /A and /B are acute angles such that cos A=cos B . then show tha...

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  7. If angleA and angleP are acute angle such that tanA=tanP, then show th...

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  8. In a /\A B C , right angled at A , if tanC=sqrt(3) , find the valu...

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  9. State whether the following are true or false. Justify your answer. ...

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  10. State whether the following are true or false. Justify your answer. ...

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  11. Evaluate each of the following in the simplest form: sin60ocos30o+c...

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  12. Evaluate the following expressions: 2sin^2 30otan60o-3cos^2 60osec^...

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  13. Evaluate the following expressions: 4cot^2 45o-sec^2 60o+sin^2 60o+...

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  14. Evaluate each of the following: (sin^2 45o+cos^2 45o)/(tan^2 60o) (...

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  15. Evaluate each of the following: (sin60o)/(cos^2 45o)-cot30o+15cos90...

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  16. Show that: 2(cos^2 45o+tan^2 60o)-6(sin^2 45o-tan^2 30o)=6 (ii) 2...

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  17. Solve each of the following equations when 0o<theta<90o . 2costheta...

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  18. Solve each of the following equations when 0o<theta<90o . 2sin^2the...

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  19. Find the value of theta in each of the following: (i)2sin2theta=sqrt...

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  20. If A=30^@ verify that cos3A=4cos^3A-3cosA

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