Given: tangent cap A is equal to negative square root of 15 What is the value of tangent of open paren cap A minus pi over 4 close paren ?
A
the fraction with numerator negative square root of 15 minus 1 and denominator 1 minus square root of 15B
the fraction with numerator negative square root of 15 plus 1 and denominator 1 plus square root of 15C
the fraction with numerator square root of 15 plus 1 and denominator 1 minus square root of 15D
the fraction with numerator square root of 15 minus 1 and denominator 1 plus square root of 15