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ALSO CAN YOU JUST TYPE YOUR ANSWER THANK YOU

1.17. If x, + *2 + *3 = *, then show that sin2x, + sin2x2 + sin2x, = 4sinx, sinx,sinx3. 2.18. An alternative definition of the arcsecant function can be made by restricting the domain of the secant function to 0,=) U m, ). Under this restriction, define the arcsecant function. Graph y=arcsec x, and give the domain and range of this function