# Trigonometry (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Math): Questions 6 - 9 of 10

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## Question number: 6

» Trigonometry » Trigonometric Functions

Appeared in Year: 2012

MCQ▾

### Question

The sum of all which satisfy the equation is –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 7

» Trigonometry » Trigonometric Identities and Equations

Appeared in Year: 2015

MCQ▾

### Question

The number of real numbers for which the equality

Holds for all real which are not integral multiple of is –

### Choices

Choice (4) Response

a.

Infinite

b.

3

c.

2

d.

1

## Question number: 8

» Trigonometry » Trigonometric Functions

Appeared in Year: 2015

MCQ▾

### Question

Let,

Which of the following statement is FALSE?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 9

» Trigonometry » Heights and Distances

Appeared in Year: 2016

MCQ▾

### Question

A sphere with centre sits atop of a pole as shown in figure. An observer on the ground is at a distance from the foot of the pole. She notes that the angles of elevation from the observer to points and on the sphere are and , respectively. Then, the radius of the sphere in meters is –

### Choices

Choice (4) Response

a.

b.

c.

d.

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