Question

इसका आंसर फटाफट ढूंढ के दो ​

Answer 1

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Given that √3 tanθ = 1

⇒ tanθ = 1∕√3

⇒ tanθ = tan 30°

⇒ θ = 30°

⇒sin²θ - cos²θ = sin²30° - cos²30 = 1∕4-3∕4 = -1∕2

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Answer 2

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Given that √3 tanθ = 1

⇒ tanθ = 1∕√3

⇒ tanθ = tan 30°

⇒ θ = 30°

⇒sin²θ - cos²θ = sin²30° - cos²30 = 1∕4-3∕4 = -1∕2