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CBSE Class 12-science Answered

Evaluate 3 sin -1 (1/root 2) + 2 cos -1 (root3/2) + cos-1(0)
Asked by varma.renu9481 | 13 Mar, 2023, 11:51: AM
answered-by-expert Expert Answer
TO evaluate: 3 sin -1 (1/root 2) + 2 cos -1 (root3/2) + cos-1(0)
3 space sin to the power of negative 1 end exponent open parentheses fraction numerator 1 over denominator square root of 2 end fraction close parentheses plus 2 cos to the power of negative 1 end exponent open parentheses fraction numerator square root of 3 over denominator 2 end fraction close parentheses plus cos to the power of negative 1 end exponent open parentheses 0 close parentheses
equals 3 cross times straight pi over 4 plus 2 cross times straight pi over 6 plus straight pi over 2
equals fraction numerator 3 straight pi over denominator 4 end fraction plus straight pi over 3 plus straight pi over 2
equals fraction numerator 9 straight pi plus 4 straight pi plus 6 straight pi over denominator 12 end fraction
equals fraction numerator 19 straight pi over denominator 12 end fraction
Answered by Renu Varma | 13 Mar, 2023, 12:00: PM

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