Mathematics-Trigonometry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 38 - 42 of 51

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Question number: 38

» Mathematics » Trigonometry

MCQ▾

Question

If cot Equation Equation , then the value of sin A x cos A is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 39

» Mathematics » Trigonometry

MCQ▾

Question

Equation is a right angled at Q. If X and Y are the mid-points of the sides PQ and QR respectively, then which one of the following is correct?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 40

» Mathematics » Trigonometry

MCQ▾

Question

If a flagstaff of 6 m high placed on the top of a tower throws a shadow of Equation along the ground, then the angle that the Sun makes with the ground, is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 41

» Mathematics » Trigonometry

MCQ▾

Question

From the top of a pillar of height Equation the angles of elevation and depression of the top and bottom of another pillar are Equation and Equation , respectively. The height of the second pillar (in m) is:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 42

» Mathematics » Trigonometry

MCQ▾

Question

If the mid-points of the sides of a triangle are Equation and Equation , the coordinates of the centroid of the triangle is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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