identidades nivel 2

(Tgx + 1)Cosx – Senx

• Cos
• Secx
• -tg^2x
• 2

(Cscx – Senx)Senx

• Cosx^2
• Senx . Ctgx – Cosx
• Ctgx
• Tgx^2
• Cosx

(Senx + Cosx)^2 + (Senx – Cosx)^2

• 2
• 1
• 1
• –1

(Tgx + Ctgx)^2 – (Tgx – Ctgx)^2

• 4
• 1
• 2
• -1
• 2

Tgx + Ctgx

• Secx . Cscx
• 1
• Cosx^2
• Senx
• (Cscx – Senx) Tgx

Secx^2 + Cscx^2

• Sec^2x . Cscx^2
• senx
• Cosx^2
• 2Senx.Cosx
• (Sec – Cosx) Ctgx

Tgx (1 – Ctgx^2) + Ctgx (1 – Tgx^2)

• senx
• -2
• -1
• 2

Sen2x . Cos2x

• 1/2*Sen4x
• (Secx + Cscx) Senx – Tgx
• 1+tgx^2
• Tgx + Ctgx
• Cscx

Senx^4 + Cosx^4

• 1 – 2Senx^2.Cosx^2
• (Tgx + Ctgx) Senx . Cosx
• 1+ctg^2
• Secx^2 + Cscx^2
• Ctgx

Senx . Ctgx – Cosx

• senx
• 1
• Senx
• Tgx
• Ctgx