हिंदी

Find the value of the following: cos-1(cos 13π6) - Mathematics

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प्रश्न

Find the value of the following:

`cos^(-1) (cos  (13pi)/6)`

योग
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उत्तर

`cos^(-1) (cos  (13pi)/6) ≠ (13 pi)/6` as the range of the principal value branch of cos−1 is [0, π].

So, `cos^(-1) (cos  (13pi)/6)`

= `cos^(-1) [cos(2pi + pi/6)]`

= `cos^(-1) [cos(pi/6)]`

= `pi/6`

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Inverse Trigonometric Functions - Exercise 2.3 [पृष्ठ ५१]

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एनसीईआरटी Mathematics Part 1 and 2 [English] Class 12
अध्याय 2 Inverse Trigonometric Functions
Exercise 2.3 | Q 1 | पृष्ठ ५१
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