Question

In triangle and right angled at B if tan =root 3

Answer 1

Answer:

tan A= √3 = tan 60° so ∠A=60°, Hence ∠C = 30°.

So cos A cos C- sin A sin C = (1/2)x (√3/2) - (√3/2)x (1/2) =0

Explanation:

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Answer 2

Answer:

If you want to find all the angle apply this

Explanation:

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