Math, asked by pramodh, 1 year ago

find the value of cos theta into sin data

Answers

Answered by Anonymous
2
★ TRIGONOMETRIC REDUCTIONS ★

Required to obtain the value of Cos θ in terms of Sin θ :

Using the relationship :

Sin²θ + Cos²θ = 1

Cos²θ = 1 - Sin²θ

Cosθ = √1 - Sin²θ


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Answered by Fuschia
4
We know that cos²θ + sin²θ = 1
Taking sin²θ to RHS,
cos²θ = 1 - sin²θcosθ = √(1 - sin²θ)
Hope This Helps You

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