Question

If sin ɵ = 20/29 then tan ɵ ?​

Answer 1

Answer : Cos θ = 21/29

How step by step Explanation :

Since we know that Cos θ = √(1 - sin² θ)

⇒ Cos θ = √(1 - 20²/29²)

⇒ Cos θ = √{(841 - 400)/29²}

⇒ Cos θ = √{(21²)/29²} = 21/29

= 21/29

∴ Cos θ = 21/29

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