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1140a<br />
a<br />
sin v =<br />
4a<br />
1a<br />
sin v =<br />
4 a<br />
v<br />
⎛1⎞ ⎝4⎠ −1<br />
= sin ⎜ ⎟<br />
−1<br />
sin (1 4)<br />
v = 14<br />
<br />
1144a<br />
36<br />
sin v =<br />
60<br />
48<br />
cosv<br />
=<br />
60<br />
36<br />
tan v =<br />
48<br />
1145a<br />
tan19<br />
<br />
x<br />
=<br />
750<br />
( mult 750)<br />
<br />
750⋅ tan19 = 750 ⋅<br />
<br />
750tan19 = x<br />
<br />
x = 750tan19<br />
750tan(19)<br />
x = 258 m<br />
x<br />
750<br />
LÖSNINGAR DEL B<br />
1140b<br />
10a<br />
cosv<br />
=<br />
11a<br />
10 a<br />
cosv<br />
=<br />
11a<br />
v<br />
cos<br />
⎛10 ⎞<br />
⎝11⎠ −1<br />
= ⎜ ⎟<br />
−1<br />
cos (10 11)<br />
v = 25<br />
<br />
1144b<br />
25<br />
sin v =<br />
65<br />
60<br />
cosv<br />
=<br />
65<br />
25<br />
tan v =<br />
60<br />
1141a<br />
1,52 x<br />
cosv<br />
=<br />
2,41x<br />
1,52 x<br />
cosv<br />
=<br />
2,41 x<br />
v<br />
⎛1,52 ⎞<br />
⎝2,41 ⎠<br />
−1<br />
= cos ⎜ ⎟<br />
−1<br />
cos (1.52 2.41)<br />
<br />
v = 51<br />
1145b<br />
98<br />
tan 63 = ( mult x)<br />
x<br />
98<br />
x⋅ tan 63 = x ⋅<br />
x<br />
x tan 63 = 98 div<br />
<br />
( tan 63 )<br />
<br />
x tan 63<br />
tan 63 <br />
98<br />
= <br />
tan 63<br />
98<br />
x = <br />
tan 63<br />
98 tan(63)<br />
x = 50 m<br />
1141b<br />
3,52 y<br />
sin v =<br />
5,35 y<br />
3,52 y<br />
sin v =<br />
5,35 y<br />
v<br />
⎛3,52 ⎞<br />
⎝5,35 ⎠<br />
−1<br />
= sin ⎜ ⎟<br />
−1<br />
sin (3.52 5.35)<br />
<br />
v = 41<br />
5
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