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The value of "cos"((3pi)/2+x)."cos"(2pi+...

The value of `"cos"((3pi)/2+x)."cos"(2pi+x)["cot"((3pi)/(2)-x)+"cot"(2pi+x)]` is

A

-1

B

0

C

1

D

2

Text Solution

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The correct Answer is:
D
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ICSE-TRIGONOMETRIC FUNCTION-MULTIPLE CHOICE QUESTIONS
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  3. The value of "cos"((3pi)/2+x)."cos"(2pi+x)["cot"((3pi)/(2)-x)+"cot"(2p...

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  9. The value of "tan"1^(@)."tan"2^(@)."tan"3^(@)......."tan"89^(@) is

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  10. The value of "tan"75^(@)-"cot"75^(@) is equal to

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  12. The value of "tan"5A-"tan"3A-"tan"2A is equal to

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  15. "cos"2theta."cos"2phi+"sin"^(2)(theta-phi)-"sin"^(2)(theta+phi) is equ...

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  16. If for real x, "cos"theta=x+(1)/(x), then

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  17. If "tan"A=1/(2),"tan"B=1/(3), then "tan"(2A+B) is equal to

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  18. If alpha+beta=pi/(4), then (1+"tan"alpha)(1+"tan"beta) is

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  19. If "sin"theta=-4/(5) and theta lies in third quadrant, then the value ...

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