Maharashtra State BoardSSC (English Medium) 9th Standard
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Choose the Correct Alternative Answer for Following Multiple Choice Question. - Geometry

MCQ

Choose the correct alternative answer for following multiple choice question.

`[cos 28°]/[sin 62°]`

Options

  • 2

  • -1

  • 0

  • 1

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Solution

`[cos 28°]/[sin 62°]`

= `[sin( 90°- 28°)]/sin 62°`                      [ cos θ = sin(90°- θ)]

= `[sin 62°]/[sin 62°]`   

= 1

  Is there an error in this question or solution?
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APPEARS IN

Balbharati Mathematics 2 Geometry 9th Standard Maharashtra State Board
Chapter 8 Trigonometry
Problem Set 8 | Q 1.4 | Page 113
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