Вычислите:
1) sin50°cos5°-cos50°sin5
2) cos 75
3) sin87
° cos3° +cos87° sin3°
4) sin 67
° sin 7° +cos 67° cos7°
5) cos15
°
6) cos43
° cos2° - sin43° sin2°
7) sin95
° cos5°- cos95° sin5°
8) sin75°
9) cos32° cos2°+ sin32° sin2°
10) sin95° cos5° - cos95° sin5°
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