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The value of sin50∘sin130∘ is ______.

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Question

The value of `(sin 50^circ)/(sin 130^circ)` is ______.

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Solution

The value of `(sin 50^circ)/(sin 130^circ)` is 1.

Explanation:

`(sin 50^circ)/(sin 130^circ) = (sin 50^circ)/(sin(180^circ - 50^circ))`

= `(sin 50^circ)/(sin 50^circ)`

= 1

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Values of Trigonometric Functions at Multiples and Submultiples of an Angle
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Chapter 3: Trigonometric Functions - Exercise [Page 59]

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NCERT Exemplar Mathematics Exemplar [English] Class 11
Chapter 3 Trigonometric Functions
Exercise | Q 60 | Page 59

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