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If 5 tan θ = 3 then ((5 sin θ – cos θ)/(5 sin θ + cos θ)) = ?

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Question

If 5 tan θ = 3 then `((5 sin θ - cos θ)/(5 sin θ + cos θ))` = ?

Options

  • `2/3`

  • `1/3`

  • `1/2`

  • `3/5`

MCQ
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Solution

`bb(1/2)`

Explanation:

On dividing the num. and denom. by cos θ, we get

`((5 sin θ - 1)/(5 sin θ + 1)) = ((3 - 1))/((3 + 1))`

= `2/4`

= `1/2`

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Chapter 13: Trigonometric identities - MULTIPLE-CHOICE QUESTIONS (MCQ) [Page 632]

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R.S. Aggarwal Mathematics [English] Class 10
Chapter 13 Trigonometric identities
MULTIPLE-CHOICE QUESTIONS (MCQ) | Q 15. | Page 632
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