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(sin theta+cos theta)(tan theta+cot thet...

`(sin theta+cos theta)(tan theta+cot theta)=`

A

`sec theta . cosec theta`

B

`sec theta+cosec theta`

C

1

D

`sec theta . cos theta`

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HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
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  5. If |(1+sin^(2)theta, cos^(2)theta, 4 sin 2 theta),(sin^(2) theta, 1+co...

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  8. cot 12^(circ) cot 102^(circ)+cot 102^(circ) cot 66^(circ) +cot 66^(ci...

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  9. sin 10^(circ) . sin 30^(circ) . sin 50^(circ) . sin 70^(circ)=

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  10. Angles of elevatiobn of the top of a tower from three points (collinea...

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  13. If tan A-tan B=x and cot B-cot A=y, then cot (A-B)=

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  14. The value of "cos"^(2)(pi)/(12)+"cos"^(2)(pi)/(4)+"cos"^(2)(5pi)/(12) ...

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  18. If 0 lt theta lt (pi)/(2) and tan theta+sec theta=p then sec theta=

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  19. sin 10^(circ)+sin 20^(circ)+sin 30^(circ)+.. .+sin 360^(circ)=

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  20. sqrt(2+sqrt(2+sqrt(2+2 cos 8 theta)))=

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