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secθ . Cot θ= cosecθ ; write true or false

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Question

secθ . Cot θ= cosecθ ; write true or false

Options

  • True

  • False

MCQ
Sum
True or False
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Solution

sec θ . cot θ = `(1)/(cosθ) (cosθ)/(sinθ) = (1)/(sinθ) = cosecθ`

Secθ . cot θ = cosec θ is true

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Chapter 21: Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals] - EXERCISE 21 (C) [Page 323]

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Selina Concise Mathematics [English] Class 9 ICSE
Chapter 21 Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals]
EXERCISE 21 (C) | Q 9. (ii) | Page 323
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