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If tan(A+B)=sqrt3 and tan(A-B)=1/sqrt3:f...

If `tan(A+B)=sqrt3` and `tan(A-B)=1/sqrt3`:find A and B.

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R G PUBLICATION-INTRODUCTION TO TRIGONOMETRY-EXERCISE
  1. Choose the correct option and justify your choice:(iii)sin 2A=2sin A i...

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  2. Choose the correct option and justify your choice:(iv)(2 tan 30^@)/(1-...

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  3. If tan(A+B)=sqrt3 and tan(A-B)=1/sqrt3:find A and B.

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  4. State whether the following are true or false.Justify your answer:(i)s...

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  5. State whether the following are true or false.Justify your answer:(ii)...

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  6. State whether the following are true or false. Justify your answer:(ii...

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  7. State whether the following are true or false.Justify your answer:(iv)...

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  8. State whether the following are true or false.Justify your answer:(v)c...

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  9. Evaluate:(i)Sin18^@/Cos72^@

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  10. Evaluate:(ii)tan26^@/Cot64^@

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  11. Evaluate:(iii)Cos48^@-Sin42^@

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  12. Evaluate:(iv)Cosec31^@-Sec59^@

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  13. Show that:(i)tan48^@tan23^@tan42^@tan67^@=1

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  14. Show that(ii)Cos38^@Cos52^@-Sin38^@Sin52^@=0

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  15. If tan2A=cot(A-18^@)where 2A is an acute angle,find the value of A.

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  16. If tanA=cotB,prove that A+B=90^@

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  17. If sec 4A=cosec(A-20^@),where 4A is an acute angle,find the value of A...

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  18. If A,B and C are interior angle of a triangle ABC,then show that sin(B...

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  19. Express sin67^@+cos75^@in terms of trigonometric ratios of angles betw...

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  20. Express the triangle ratio sinA,secA and tanA in terms of cotA.

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