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Fill in the blanks so as to make each of the following statements true :
If `cosA=4/5`, then tanA=….

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The correct Answer is:
`3/4`
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KUMAR PRAKASHAN-INTRODUCTION TO TRIGONOMETRY-EXERCISE 8.4
  1. Express the trigonometric ratios sinA, sec A and tan A in terms of cot...

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  2. Write all the other trigonometric ratios of angleA in terms of sec A.

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  3. Evaluate : (sin^(2)63^(@)+sin^(2)27^(@))/(cos^(2)17^(@)+cos^(2)73^(@...

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  4. Evaluate : sin25^(@)cos65^(@)+cos25^(@)sin65^(@)

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  5. Choose the correct option Justify your choice : 9sec^(2)A-9tan^(2)A=...

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  6. Choose the correct option Justify your choice : (1+tantheta+sectheta...

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  7. Choose the correct option Justify your choice : (sec A + tan A) ( 1 ...

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  8. Choose the correct option Justify your choice : (1+tan^(2)A)/(1+cot^...

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  9. Prove the following identities. where the angles involved are acute an...

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  10. Prove the following identities. where the angles involved are acute an...

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  11. Prove the following identities. where the angles involved are acute an...

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  12. Prove the following identities. where the angles involved are acute an...

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  13. Prove the following identities. where the angles involved are acute an...

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  14. Prove the following identities. where the angles involved are acute an...

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  15. Prove the following identities. where the angles involved are acute an...

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  16. Prove the following identities. where the angles involved are acute an...

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  17. Prove the following identities. where the angles involved are acute an...

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  18. Prove the following identities. where the angles involved are acute an...

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  19. Fill in the blanks so as to make each of the following statements true...

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