2017 · Q63
What is the value of θ which satisfies the equation cos θ + tan θ=1 ?
Elementary MathematicsTrigonometry
- A0°
- B30°
- C45°
- D60°
Explanation
At θ = 0°: cos0° + tan0° = 1 + 0 = 1, which satisfies the equation: option A. At 30°, 45°, 60° the sum cosθ + tanθ exceeds 1.