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secθ . Cot θ= cosecθ ; write true or false - Mathematics

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MCQ
Sum
True or False

secθ . Cot θ= cosecθ ; write true or false

Options

  • True

  • False

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Solution

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

Secθ . cot θ = cosec θ is true

Concept: Trigonometric Ratios of Some Special Angles
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APPEARS IN

Selina Concise Mathematics Class 9 ICSE
Chapter 23 Trigonometrical Ratios of Standard Angles [Including Evaluation of an Expression Involving Trigonometric Ratios]
Exercise 23 (A) | Q 8.2 | Page 291
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