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Maharashtra State BoardSSC (English Medium) 10th Standard

(sin 75^circ)/(cos 15^circ) = ?

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Question

`(sin 75^circ)/(cos 15^circ)` = ?

Sum
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Solution

`(sin 75^circ)/(cos 15^circ) = (sin(90^circ - 15^circ))/(cos 15^circ)`

= `(cos 15^circ)/(cos 15^circ)`   ...[∵ sin(90° – θ) = cos θ]

= 1

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Chapter 6: Trigonometry - Q.1 (B)
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