Question # 1

A circle drawn inside a triangle and touching its sides is called ______;

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Circumcirle

Incircle

Escribed circle

unit circle

Write down the power set of {9, 11}

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For a square matrix A, if A = At, then A is called

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Matrix

Transpose

Symmetric

Non-symmetric

120° degrees are equal to how many radians?

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The domain of a finite sequence is a

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Set of natural numbers

R

Subset of N

Proper subset of N

cos 2α=

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sin²α+ cos²α

-cosθ

tanθ

None of these

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n if n is even

0 for any natural number n

1 if in odd

None of these

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-1

0

1

None of these

The inclination of a line parallel to y-axis is

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1⁰= ______

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