Question # 1

With usual notations b2 = a2 + c2 -2ac cos is called______;

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None of these

Law of sines

Law of consines

Law of tangents

sn (2sin-10.8)

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0.56

0.69

-0.16

0.96

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The set {x|x∈N∧x-4=0} in tabular form is

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{-4}

{0}

{}

None of these

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0

1

The roots of the equations will be equal if b²- 4ac is

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Positive

Negative

1

Zero

If sinθand cosθare the roots of the equation ax²- bx + c = 0, then a, b, c satisfy the relation

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b²- a²= 2ac

A²- b²= 2ac

A²+ b²= c²

B²+ a²= 2ac

The graph of a linear function is

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a circle

triangle

a straight line

none of these

A vertical pole is 8m high and the length of its shadow is 6m. The angle of elevation of the sun of the moment is

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57𝜊

-48𝜊

27𝜊

53𝜊

202.04 is an example of

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Recurring decimals

Non-recurring decimals

Terminating decimals

None of these

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