# Mathematics-Trigonometry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 43 - 46 of 51

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## Question number: 43

» Mathematics » Trigonometry

MCQ▾

### Question

If sin then 3 B is equal to

### Choices

Choice (4) Response

a.

0

b.

c.

d.

1

## Question number: 44

» Mathematics » Trigonometry

MCQ▾

### Question

CD is a direct common tangent to two circles intersecting each other at A and B. Then, is equal to

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 45

» Mathematics » Trigonometry

MCQ▾

### Question

In a right angled , right angled at B, if P and Q are points on the sides AB and AC respectively, then which of the given option is correct?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 46

» Mathematics » Trigonometry

MCQ▾

### Question

The angle of elevations ’G of the top of a light house at a point on the ground is such that tan is. When the point is moved 240 m towards the light house, the angle of elevation become such that tan. Then, the height of light house is

### Choices

Choice (4) Response

a.

225 m

b.

215 m

c.

235 m

d.

200 m

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