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Express each of the following in terms of trigonometric ratios of angles lying between 0° and 45°. sec78° + cosec56° - Mathematics

Sum

Express each of the following in terms of trigonometric ratios of angles lying between 0° and 45°.

sec78° + cosec56°

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Solution

sec78°+cosec56°

=sec(90°12°)+cosec(90°34°)

=cosec12°+sec34°

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APPEARS IN

RS Aggarwal Secondary School Class 10 Maths
Chapter 7 Trigonometric Ratios of Complementary Angles
Exercise | Q 8.3 | Page 814
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