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(1)/(cos theta)-cos theta=…………....

`(1)/(cos theta)-cos theta`=………….

A

`tan theta, sin theta`

B

`sec theta,cos theta`

C

`tan theta, cot theta`

D

None

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The correct Answer is:
A
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VGS PUBLICATION-BRILLIANT-APPLICATIONS OF TRIGONOMETRY-MODEL EXAMINATION
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  2. sec^2 A=…………..

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  3. (1)/(cos theta)-cos theta=………….

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  4. sin theta=cos theta,theta in Q1 then theta-

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  5. 72^(@)=…………….

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  6. sin^2""105^(@)+cos^2""105^(@)=…………..

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  7. sin 45^(@)(cos 45^(@))=…………..

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  8. cos 40^(@)=0.76 then sin 50^(@)=………….

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  9. At a point 15m away form the base of a 15m high pole, the angle of ele...

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  10. The length of shadow of a pole is equal to the length of the pole, the...

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  11. The angle of elevation of top of a tree is 30^(@). On moving 20m neare...

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  12. The ratio of length of a pole and its shadow is 1:sqrt(3). The angle ...

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  13. The upper part of a tree is broken by wind and makes an angle of 30^(@...

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  14. From a bridge 25m high, the angle of depression of a boat is 45^(@). F...

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  15. A tower makes an angle of elevation equal to the angle of depression f...

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  16. When the angle of elevation of a pole is 45^(@), the length of the pol...

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  17. In a rectangle, if the angle between a diagonal and a side is 30^(@), ...

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  18. Two posts are 15 m and 25m high and the line joining their tope make a...

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  19. An electric pole 20m high stands up right on the ground with the help ...

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  20. A building casts a shadow of length 50sqrt(3) m when the sun is 30^(@)...

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