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The value of the expression (2sin^(2)91^...

The value of the expression `(2sin^(2)91^(0)-1)(2sin^(2)92^(0)-1)..(2sin^(2)180^(0)-1)` is equal to

A

0

B

1

C

`2^(90)`

D

`2^(90) - 90`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-TRIGONOMETRIC RATIOS-PRATICE SHEET (EXERCISE) (LEVEL-I(MAIN) (SINGLE ANSWER TYPE QUESTIONS)
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  12. If 1+sin x + sin^(2)x +….oo = 4 + 2sqrt(3), 0 lt x lt pi, x ne pi//2 t...

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  18. ( cos^(3) A + sin^(3) A )/( cos A + sin A ) + (cos^(3) A - sin^(3)A)/(...

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  19. If x = (2sintheta)/(1+costheta+sintheta), then (1-costheta+sintheta)/(...

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  20. sin10^(@) + sin20^(@)+sin30^(@)+….+sin360^(@)=

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