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Write the value of cos30^(@) and tan45^(...

Write the value of `cos30^(@)` and `tan45^(@)`.

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The correct Answer is:
`cos 30^(@)=(sqrt(3))/2` and `tan45^(@)=1`
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-TRIGONOMETRY-ASSIGNMENT
  1. Observe the figure and write the value of sin theta.

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  2. What is the value of sec^(2)theta-tan^(2)theta?

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  3. Write the value of cos30^(@) and tan45^(@).

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  4. What is the value of tan theta xx cot theta?

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  5. Observe the figure and write the value of theta and alpha.

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  6. If sec theta=25/7 then find the value of tan theta.

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  7. If sin theta=11/61, ffind the value of cos theta using trigonometric i...

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  8. Solve the following activity and find the value of 6 tan^(2)theta-6/(c...

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  9. Proove: (sin^(2)theta)/(cos theta)+cos theta=sec theta

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  10. Prove that sqrt[[1-sintheta]/[1+sintheta]]=sectheta-tantheta

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  11. Complete the following activity by filling the boxes sin^(2) theta+c...

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  12. Prove that sec theta+tan theta=(cos theta)/(1-sin theta)

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  13. Prove : cot^(2) theta-tan^(2)theta=cosec^(2)theta-sec^(2)theta

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  14. If tan theta=1, then (sin theta+cos theta)/(sec theta+cosec theta)=

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  15. Prove :(sec theta-cos theta)(cot theta+tan theta)=tan .sec theta

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  16. Prove cot theta+tan theta=(cosec theta)(sec theta) by completing the f...

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  17. Prove: (tan theta)/(sec theta-1)=(tan theta+sec theta+1)/(tan theta+se...

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  18. When observer at a distance of 12m from a tree looks at the top of the...

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  19. From the top of a lighthouse, an observer looking at a boat makes an ...

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  20. If 1/(sin^(2)theta)-1/(cos^(2) theta)-1/(tan^(2)theta)-1/(cot^(2)theta...

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