# CBSE Class 12-science Answered

**<div>If</div> <div> <img class="Wirisformula" src="https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=700629bc5370b1dcf06d2e7e8b77b49b.png" alt="begin mathsize 20px style A equals 1 over straight pi open square brackets table row cell sin to the power of negative 1 end exponent open parentheses x straight pi close parentheses space space end cell cell tan to the power of negative 1 end exponent open parentheses x over straight pi close parentheses end cell row cell sin to the power of negative 1 end exponent open parentheses x over straight pi close parentheses space space end cell cell c o t to the power of negative 1 end exponent open parentheses πx close parentheses end cell end table close square brackets comma B equals 1 over straight pi open square brackets table row cell negative cos to the power of negative 1 end exponent open parentheses x straight pi close parentheses space space space end cell cell tan to the power of negative 1 end exponent open parentheses x over straight pi close parentheses end cell row cell sin to the power of negative 1 end exponent open parentheses x over straight pi close parentheses end cell cell negative tan to the power of negative 1 end exponent open parentheses πx close parentheses end cell end table close square brackets end style" align="middle" /> </div> <div>then find A-B</div>**

Asked by sunil2791 | 08 Jul, 2017, 07:31: PM

Expert Answer

Answered by Sneha shidid | 12 Jul, 2017, 08:51: AM

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