Question

In triangle ABC right angle is at B if underroot 3 tan A = 1 find the sin A cos A + cos A si. A​

Answer 1

Answer:

ABC is a right triangle,

In which ∠B = 90°

tan A = 1/√3

⇒ ∠A = 30°

We know that,

The sum of all interior angles of a triangle is supplementary,

⇒ ∠A + ∠B + ∠C = 180°

⇒ 30° + 90° + ∠C = 180° ⇒ ∠C = 180° - 120° = 60°

Step-by-step explanation:

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