(PDF ¥Õ¥¡¥¤¥ë: sinadd.pdf)

1 $B$O$8$a$K(B

$B@hF|!"$"$k3X@8$+$i;03Q4X?t$N2CK!DjM}(B

$$\sin(x+y) = \sin x \cos y + \cos x \sin y$$ (1)

$$\cos(x+y) = \cos x \cos y - \sin x \sin y$$ (2)

$B$N3P$(J}$H$7$F(B

$$\begin{array}{lcccccc} \sin(x+y) & = & \sin x & \cos y & + ... ...& \mbox{$B%3%9%b%9(B} & & \mbox{$B$5$$$?(B} & \mbox{$B$5$$$?(B} \end{array}$$

$B$H65$o$C$?!"$H$$$&OC$rJ9$$$?$,!"$3$l$OK\'$($F$$$k$N$HJQ$o$j$O$J$$$h$&$K;W$&!#(B$x$,$y$ $B$NItJ,$O(B $x$,$y$,$x$,$y$ $B$H=g$KJB$Y$k$N$@!"$H$$$&Iw$K3P$($F$$$k$N$@$=$&$@$,!"(B $B$J$i$P$b$&>/$7$^$H$b$J3P$(J}$b$"$k$N$G$O$J$$$+$H>/$79M$($F$_$?!#(B

$B$3$&$$$C$?8x<0$r3P$($k>l9g!"Nc$($P(B

• $B$R$?$9$i0E5-$9$k(B
• $BK:$l$?>l9g$KHw$($F8x<0$NF3$-J}(B ($B>ZL@(B) $B$bF,$KF~$l$F$*$/(B
• $BK:$l$?>l9g$KHw$($F8x<0!"$"$k$$$O$=$l$K$h$k7k2L$N8!;;$NJ}K!$r(B $BF,$KF~$l$F$*$/(B

$B$H$$$C$?J}K!$J$I$,$"$k$H;W$&!#(B

$B3X@8$N;n83$NEz0F$r8+$F$$$k$H(B $B4V0c$C$?8x<0$r$=$N$^$^;H$C$F2r$$$F$$$k$3$H$,$"$k$,!"(B $B$3$l$O$O!":G=i$N3P$(J}$r$7$F$$$k$?$a$G$"$m$&!#(B

$B8x<0$N>ZL@$dF3$-J}$O$b$N$K$h$C$F$OFq$7$$$b$N$b$"$j!"(B $BI,$:$7$bA4$F$N?M$K4+$a$i$l$k$b$N$G$O$J$$$,!"(B $BE,59$=$NJ}K!$H:G8e$NJ}K!$rAH$_9g$o$;$k$N$,NI$$$N$G$O$J$$$+$H;W$&!#(B

$B4V0c$C$?8x<0$+$i$O@5$7$$Ez$($O$^$:F@$i$l$J$$$N$G!"(B $B$@$$$?$$$3$s$J7A$@$C$?$J!"$G;H$C$F$O$$$1$J$$$@$m$&!#(B $B8x<0$r3NG'$9$kJ}K!$r?H$K$D$1$F$$$k$+$I$&$+$,!"(B $B;n83$N@.@S$J$I$KBg$-$/H?1G$9$k$H;W$o$l$k!#(B

$B$^$?!"8x<0$G7W;;$7$FF3$$$?7k2L$r8!;;$9$k$3$H$bHs>o$KBg;v$J$3$H$G!"(B $BNc$($P!"G\3Q$N8x<0$r4V0c$($F3P$($?$?$a$K(B $\sin$ $B$NCM$,(B 1 $B$h$jBg$-$$CM$K$J$C$F$$$k$N$K(B $B$=$l$r$=$N$^$^=q$/!"$H$$$C$?$h$&$J!"(B $B7k2L$,L@$i$+$KIT9gM}$G$"$k$h$&$JEz0F$r=q$/$H(B $B$=$N2rEz