If ΔPQR is right angled at Q, then - CUETMOCK

Practicing Success

Start Free Mocks

Follow :

CUETMOCK

Ace Your

CUET Preparation Today

Start Free Mocks

Home Questions A2PTT5RUC6

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Trigonometry

Question:

If ΔPQR is right angled at Q, then what is the value of cos(P + R)?

Options:

0.5

1

0.2

0

Correct Answer:

0

Explanation:

If ΔPQR is right angled at Q

i.e. Q = 90º

So,

P + Q + R = 180º

P + 90º + R = 180º

P + R = 90º

Now,

cos ( P + R )

= cos 90º

= 0

CUET Questions