sin^2(20)+cos^2(20)

Lösung

sin^{2} (2 0^{\circ}) + cos^{2} (2 0^{\circ})

1

Schritte zur Lösung

sin^{2} (2 0^{\circ}) + cos^{2} (2 0^{\circ})

Verwende die Pythagoreische Identität:

cos^{2} (x) + sin^{2} (x) = 1

= 1

cos (- 6)

sec (\frac{- 3 π}{4})

sin (arcsin (\frac{3}{5}))

cos^{2} (3 5^{\circ})

arcsin (0.31)