Aprēķins: g4z6wD - 1
c^2 =
a^2+ b^2- 2* a* b* cos(α)
a^2+ b^2- 2* a* b* cos(α)
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c^2 = a^2+ b^2- 2* a* b* cos(α)$$c^{2}$$ = $$a^{2}+b^{2}-2\cdot a\cdot b\cdot cos(\alpha)$$
c = saknis( a^2+ b^2- 2* a* b* cos(α))$$c$$ = $$\sqrt {a^{2}+b^{2}-2\cdot a\cdot b\cdot cos(\alpha)}$$
a^2+ b^2- 2* a* b* cos(α))$$c$$ = $$\sqrt {a^{2}+b^{2}-2\cdot a\cdot b\cdot cos(\alpha)}$$c = saknis( 2^2+ 4^2- 2* 2* 4* cos(1))$$c$$ = $$\sqrt {2^{2}+4^{2}-2\cdot 2\cdot 4\cdot cos(1)}$$
2^2+ 4^2- 2* 2* 4* cos(1))$$c$$ = $$\sqrt {2^{2}+4^{2}-2\cdot 2\cdot 4\cdot cos(1)}$$c = saknis(4+ 4^2- 2* 2* 4* cos(1))$$c$$ = $$\sqrt {4+4^{2}-2\cdot 2\cdot 4\cdot cos(1)}$$
4+ 4^2- 2* 2* 4* cos(1))$$c$$ = $$\sqrt {4+4^{2}-2\cdot 2\cdot 4\cdot cos(1)}$$c = saknis(4+16- 2* 2* 4* cos(1))$$c$$ = $$\sqrt {4+16-2\cdot 2\cdot 4\cdot cos(1)}$$
4+16- 2* 2* 4* cos(1))$$c$$ = $$\sqrt {4+16-2\cdot 2\cdot 4\cdot cos(1)}$$c = saknis(4+16- 2* 2* 4* 0.99985)$$c$$ = $$\sqrt {4+16-2\cdot 2\cdot 4\cdot 0.99985}$$
4+16- 2* 2* 4* 0.99985)$$c$$ = $$\sqrt {4+16-2\cdot 2\cdot 4\cdot 0.99985}$$c = saknis(4+16-15.9976)$$c$$ = $$\sqrt {4+16-15.9976}$$
4+16-15.9976)$$c$$ = $$\sqrt {4+16-15.9976}$$c = saknis(4.0024)$$c$$ = $$\sqrt {4.0024}$$
4.0024)$$c$$ = $$\sqrt {4.0024}$$c = 2.0006$$c$$ = $$2.0006$$