engineering mathematics MCQ #142

A right triangle has an angle θ such that tan(θ) = 1. Find the value of sin(θ) + cos(θ).

engineering mathematics MCQ #142

Question 1
Q1. A right triangle has an angle θ such that tan(θ) = 1. Find the value of sin(θ) + cos(θ).
- A) √2
- B) 1
- C) 2
- D) 1/√2
Answer: √2
Explanation: For tan(θ) = 1, θ = 45°, sin(45°) = cos(45°) = 1/√2, so sin(θ) + cos(θ) = 1/√2 + 1/√2 = √2.