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tan^(2)(90^(@) - theta) - cosec^(2) thet...

`tan^(2)(90^(@) - theta) - cosec^(2) theta = `

A

0

B

1

C

-1

D

2

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-TRIGONOMETRY -Multiple Choice Questions
  1. (1 - cot^(2)45^(@))/(1 + cot^(2)45^(@)) =

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  2. 1+cot^(2)theta= ……

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  3. tan^(2)(90^(@) - theta) - cosec^(2) theta =

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  4. If cos theta = (24)/(25), then the value of sin theta is

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  5. If tantheta=3/4 , then cos^2theta-sin^2theta= 7/(25) (b) 1 (c) -7/(25...

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  6. If cot theta = (3)/(4) , then (sin theta - cos theta)/(sin theta + cos...

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  7. Find the value of (1+tan^(2)theta)/(1+cot^(2)theta)

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  8. (1 - cos^(2)theta)cot^(2)theta

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  9. (Sec^2 θ − 1) (Cosec^2 θ − 1) =

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  10. Write the value of "cosec"^(2)theta(1+costheta)(1-costheta).

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  11. (5)/(cot^(2)theta) - (5)/(cos^(2) theta)=

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  12. sin theta/(1+cos theta)=

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  13. If cosec theta - cottheta = (1)/(3) , then cosec theta + cot theta =

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  14. If sin theta + sin^(2) theta=1 " then " cos^(2) theta+ cos^(4) theta...

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  15. If sin theta + costheta = m and sin theta - cos theta = n , then

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  16. When we see below the horizontal line , then the angle formed is …………....

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  17. If a pole 12 m high casts a shadow 4sqrt(3) m long on the ground then...

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  18. A kite is flying at a height 80 m above the ground . The string of th...

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  19. The angle of elevation of top of the tower from a point P on the groun...

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  20. The angle of depression of a ship as observed from the top of a lighth...

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