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The value of tan(-(15pi)/(4)) is...

The value of `tan(-(15pi)/(4))` is

A

-1

B

1

C

`1/sqrt(3)`

D

`-1/sqrt(3)`

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ICSE-TRIGONOMETRIC FUNCTION-MULTIPLE CHOICE QUESTIONS
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  15. The value of "tan"75^(@)-"cot"75^(@) is equal to

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  16. Which of the following is correct ?

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

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  18. The value of "sin"(45^(@)+ theta)-"cos(45^(@) - theta) is

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