Question

given that sin theta is 3/5 find cos theta and tan theta ​

Answer 1

Answer:

Sinθ = 3/5

sin²θ = 9/25

1 - cos²θ = 9/25            { sin²θ + cos²θ = 1}

cos²θ = 1-(9/25)

cos²θ = 16/25

cosθ = 4/5

∴ tanθ = sinθ/cosθ = 3/4

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