Option 1 : 1

**Given:**

sinA + cosB = 2

**Concept Used:**

The following table is used:

**Calculations:**

sinA + cosB = 2

⇒ A = 90°

B = 0°

Now, (cosA + cosB) = (cos0° + cos90°)

⇒ (cosA + cosB) = (1 + 0) = 1

**∴ The value of (cosA + cosB) is 1.**

India’s **#1 Learning** Platform

Start Complete Exam Preparation

Daily Live MasterClasses

Practice Question Bank

Mock Tests & Quizzes

Trusted by 2,16,74,007+ Students

Testbook Edu Solutions Pvt. Ltd.

1st & 2nd Floor, Zion Building,

Plot No. 273, Sector 10, Kharghar,

Navi Mumbai - 410210

[email protected]
Plot No. 273, Sector 10, Kharghar,

Navi Mumbai - 410210

Toll Free:1800 833 0800

Office Hours: 10 AM to 7 PM (all 7 days)