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If sqrt((1+ cos theta )/(1- cos theta ))...

If `sqrt((1+ cos theta )/(1- cos theta ))="cosec " theta + cot theta " then " theta ` lies in the quadrants

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If " cosec " theta - cot theta =1//3 then theta lies in the quadrant

If sec theta + tan theta = 1.5 then theta lies in the quadrant

(1+cosec theta - cot theta)/(1+cosec theta + cot theta)=

If x=a("cosec" theta + cot theta ) , y=b( " cosec " theta - cot theta ) , then

(cot theta + " cosec " theta -1)/(cot theta - " cosec " theta +1) =

Show that (1)/( cos theta ) -cos theta =tan theta .sin theta

(1)/(cos theta)-cos theta =………….

Prove that sqrt((1+cos theta)/(1- cos theta)) = cosec theta + cot theta, (0^(@) lt theta lt 90^(@))

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AAKASH SERIES-TRIGONOMERTIC RATIOS-PRACTICE EXERCISE
  1. If sqrt((1+ cos theta )/(1- cos theta ))="cosec " theta + cot theta " ...

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  2. Sec ((15pi)/4) =

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  3. cos ((5pi)/(4)) - sin ((5pi)/(4)) + tan((11pi)/(4)) - cot((11pi)/(4))=

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  4. The cotangents of the angles pi//3, pi//4, pi//6 are in

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  5. ( sqrt(1-cos^(2)200^(@)))cosec 200^(@)=

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  6. If x= cos 10^(@) - sin 10^(@) then

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  7. Which of the following is not possible ?

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  8. The equation sin x= k + 1/k ( k gt 0) is

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  9. Which one of the following is true ?

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  10. I: If x= sin 1 , y= sin1^(@) then x lt y II : If x = cos 1 , y ...

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  11. If A=tan 1, B = tan. 9/5 then

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  12. A= sin 1, B = cos 1, C = tan 1 then the ascending order is

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  13. If Sin theta(1) + Sin theta(2) + Sin theta(3) = 3 then Cos theta(1) + ...

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  14. If Cos theta(1) + Cos theta(2) + Cos theta(3) = 3 then Sin theta(1) +...

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  15. If cos theta + sec theta = 2 then cos^(n) theta + sec^(n) theta =

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  16. If cot theta + tan theta = 2 then cot^(n) theta + tan^(n) theta =

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  17. If cot ( alpha + beta) = 0 then sin ( alpha + 2 beta) =

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  18. If tan ( alpha + beta) = sqrt(3), tan ( alpha - beta ) =1 then tan 6 ...

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  19. If n is even then sin theta + sin ( pi + theta ) + sin (2 pi + theta) ...

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  20. sin 10^(@) + sin 20^(@) + sin30^(@) + .......sin 360^(@)=

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  21. cos 20^(@) + cos 40^(@) + cos 60^(@) +...+cos160^(@)+cos 180^(@)=

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