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******** **** numerator and denominator ** ( 1 * ***** * ******
So * becomes *************** * * * * ***** * ***** ÷ *************** * * * * ***** * *******
* **************** ** ((1+sinb )^2 - ************
=( ** ******** sinb * *********** icosb+ 2i **** **** * ** (1 * ***** * * ***** + ***** * * ** * ***** *** * -1 **
**** ****** * * *** b * cos^2b * 2 icosb+i **** **** * ÷ * 2 * ***** * *** * since sin^2 b * cos^2 * * * **
*** * ****** * ******* * *** * + * icosb+i **** **** * ** ( 2 * 2sinb ) =(sin^2b
* ******* * *** b * * icosb+i **** cosb * ** * 2 * 2sinb ** ***
2sin^2b + * **** * ****** ( * * sinb * * ÷ *** 1 * **** *** =((2sinb
(1 + sinb) * 2icosb * * * **** * * ** *** * + sinb *** *******
** * ***** ** *** 1 + sinb ** + ****** * * + **** )÷ *** 1 * **** ** * ********* up the ********* into ********* ***** * =sinb *
* **** *********** *** ****** ***** in ********* & ***********