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The value of sin-1(sin 3π5) is - Mathematics

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प्रश्न

The value of `sin^-1 (sin  (3pi)/5)` is ______.

रिक्त स्थान भरें
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उत्तर

The value of `sin^-1 (sin  (3pi)/5)` is `(2pi)/5`.

Explanation:

∵ `- pi/2 ≤ sin x ≤ pi/2`

∴ `sin^1 (sin  (3pi)/5) = sin^1 sin(pi - (2pi)/5)`

= `sin^-1 (sin  (2pi)/5)`

= `(2pi)/5`

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अध्याय 2: Inverse Trigonometric Functions - Exercise [पृष्ठ ४०]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 12
अध्याय 2 Inverse Trigonometric Functions
Exercise | Q 39 | पृष्ठ ४०

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