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If 3cos θ – 4sin = 2cos θ + sin θ Find tan θ. - Mathematics

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Question

If 3cos θ – 4sin  = 2cos θ + sin θ Find tan θ.

Sum
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Solution

3 cos θ − 4 sin θ = 2 cos θ + sin θ

⇒ 3 cos θ − 2 cos θ = 4 sin θ + sin θ

⇒ cos θ = 5 sin θ

⇒ `sintheta/cos theta = 1/5`

∴ tan θ = `1/5`.

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Chapter 10: Trigonometric Ratios - Exercise 10.1 [Page 25]

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RD Sharma Mathematics [English] Class 10
Chapter 10 Trigonometric Ratios
Exercise 10.1 | Q 30 | Page 25
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