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CBSE Class 12-science Answered

Write in the simplest form:begin mathsize 20px style space tan to the power of negative 1 end exponent space open square brackets space 1 bevelled fraction numerator space over denominator space root index blank of space x squared minus 1 end root end fraction close square brackets comma open vertical bar space x close vertical bar greater than 1 end style
Asked by sunil2791 | 21 Apr, 2017, 06:58: PM
answered-by-expert Expert Answer
begin mathsize 16px style Since space the space question space contains space the space expression comma space straight x squared minus 1 comma we space substitute space straight x equals straight a space cosecθ So comma space tan to the power of negative 1 end exponent open parentheses fraction numerator 1 over denominator square root of straight x squared minus 1 end root end fraction close parentheses equals tan to the power of negative 1 end exponent open parentheses fraction numerator 1 over denominator square root of cosec squared straight theta minus 1 end root end fraction close parentheses equals tan to the power of negative 1 end exponent open parentheses fraction numerator 1 over denominator square root of cot squared straight theta end root end fraction close parentheses equals tan to the power of negative 1 end exponent open parentheses tanθ close parentheses equals straight theta end style
Answered by Rebecca Fernandes | 27 Nov, 2017, 12:49: PM

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CBSE 12-science - Maths
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