Mathematics-Trigonometry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 10 - 15 of 51

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Question number: 10

» Mathematics » Trigonometry

MCQ▾

Question

If A is the area of a right angled triangle and b is one of the sides containing the right angle, then what is the length of the altitude on the hypotenuse?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 11

» Mathematics » Trigonometry

MCQ▾

Question

If Equation and Equation , then Equation is equal to

Choices

Choice (4) Response

a.

1

b.

-2

c.

2

d.

-1

Question number: 12

» Mathematics » Trigonometry

MCQ▾

Question

If Equation = Equation , then which of the following expressions must necessarily be true?

Choices

Choice (4) Response

a.

tan x + tan y + tan z

b.

cos x + cos y + cos z

c.

Equation

d.

Equation

Question number: 13

» Mathematics » Trigonometry

MCQ▾

Question

A triangle formed by the points A (2, 5), B (3, 8) and C (x, y). If the centroid of the triangle is (3, 5), what is the coordinate of point C?

Choices

Choice (4) Response

a.

(4, 2)

b.

(2, 4)

c.

(-4, -2)

d.

None of the above

Question number: 14

» Mathematics » Trigonometry

MCQ▾

Question

For what value of k, the vertices (2, 1), (3, 3) and (5, k) form an equilateral triangle?

Choices

Choice (4) Response

a.

No such value exist

b.

Equation

c.

4

d.

2

Question number: 15

» Mathematics » Trigonometry

MCQ▾

Question

If Equation , then the value of Equation is

Choices

Choice (4) Response

a.

3

b.

½

c.

2

d.

1

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