Question # 1

If sin A = cos A, 0°<A<90° then A is equal to

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1

1/2

0

None of these

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sin (α -β)=

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sinαcosβ- cosαsinβ

sinαcosβ+ cosαsinβ

sinαcosα- cosβsinβ

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The period of cos(7x-5) is

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π/7

7π/2

π/2

2π/7

In ladder leaning against a vertical well makes an angle of 24^𝜊with the wall, Its foot is 5m from the wall, its length is

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5.47m

2m

7m

6.29m

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-2

-1

1

2

The common ration of a geometric sequence cannot be

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0

1

2

3

What is the 26th term of the sequence, if its general term is a_{n = (-1)}ⁿ⁺¹

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2

26

27

1

The system of measurement in which the angle is measured in radians is called the

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circular system

CGS system

sexagesimal system

none of these

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(x3-1/x)12

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295

495

395

722

IfΔABC is right, law of cosine reduce to

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Law of sine

Law of tangent

Phthogorous theorem

Hero's formula

The sum of an indicated number of terms in a sequence is called

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sequence

progression

Series

Mean

∫x/Sin² x dx is equal to:

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x cot x + ln|sin⁡x |

-x cot x - ln|sin⁡x |

x cot x - ln|sin⁡x |

x. tan x- ln|sec⁡x |

If A(a,b) lies on 3x +2y =13 and point B(b,a) lies on x-y =5 then equation of AB is

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x- y= 5

x+ y+ =5

x+ y= -5

5x +5y =21

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π

π/6

-π/2

2π

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If x + y + 1 = 0 touches the parabola y²=λx, thenλis equal to

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2

4

6

8

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A²- 5A + 7I = 1

2A²- 3A + 7I = 0

A²- 5A + I = 0

A²- 5A + 7I = 0

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(7,9) +(3,-5) =

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(4,4)

(10,4)

(9,-5)

(7,3)

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0

1

2

3

For each real number, there is a number which is its

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Negative

Possitive

Opposite

Similar

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360°

180°

90°

None of these

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a = 4, b = 1

a = 1, b = -4

a = 0, b = 4

a = 2, b = 4

Which one represents a sequence

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an

Sn

a(n)

{an}

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