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CBSE Class 12-science Answered

S o l v e space f o r space x colon cos to the power of negative 1 end exponent open parentheses fraction numerator x hat 2 minus 1 over denominator x hat 2 plus 1 end fraction close parentheses plus tan to the power of negative 1 end exponent open parentheses fraction numerator 2 x over denominator x hat 2 minus 1 end fraction close parentheses equals 2 straight pi divided by 3
Asked by indupremachandran | 27 May, 2019, 04:54: PM
answered-by-expert Expert Answer
cos to the power of negative 1 end exponent open parentheses fraction numerator x squared minus 1 over denominator x squared plus 1 end fraction close parentheses plus tan to the power of negative 1 end exponent open parentheses fraction numerator 2 x over denominator x squared minus 1 end fraction close parentheses equals fraction numerator 2 straight pi over denominator 3 end fraction rightwards double arrow straight pi minus cos to the power of negative 1 end exponent open parentheses fraction numerator 1 minus straight x squared over denominator straight x squared plus 1 end fraction close parentheses minus tan to the power of negative 1 end exponent open parentheses fraction numerator 2 straight x over denominator 1 minus straight x squared end fraction close parentheses equals fraction numerator 2 straight pi over denominator 3 end fraction rightwards double arrow straight pi minus 2 tan to the power of negative 1 end exponent straight x minus 2 tan to the power of negative 1 end exponent straight x equals fraction numerator 2 straight pi over denominator 3 end fraction rightwards double arrow negative 4 tan to the power of negative 1 end exponent straight x equals negative straight pi over 3 rightwards double arrow tan to the power of negative 1 end exponent straight x equals straight pi over 12 rightwards double arrow straight x equals tan straight pi over 12 rightwards double arrow straight x equals fraction numerator square root of 3 minus 1 over denominator square root of 3 plus 1 end fraction
Answered by Renu Varma | 27 May, 2019, 05:15: PM

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