Mathematics-Trigonometry (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 12 - 14 of 14

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 828 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 400.00 or

Question number: 12

» Mathematics » Trigonometry

MCQ▾

Question

If tanA=56andtanB=111, then (A+B) is equal to

Choices

Choice (4) Response
a.

π/4

b.

π/2

c.

3 π/2

d. None of the above

Question number: 13

» Mathematics » Trigonometry

MCQ▾

Question

cos 4x is equal to

Choices

Choice (4) Response
a.

1 + 8sin2x-cos2x

b.

2cos22x

c.

1 + 2sin22x

d.

1 - 8sin2x-cos2x

Question number: 14

» Mathematics » Trigonometry

MCQ▾

Question

In the figure below, PQ = QS, QR = RS and ∠SRQ = 100°. Find the value of ∠QPS.

A triangle PRS having an angle of 100

A Triangle PRS Having an Angle of 100

Find the value of ∠QPS by using given angle and data

Choices

Choice (4) Response
a.

40°

b.

15°

c.

35°

d.

20°

Sign In