All basic formulas of trigonometric identities
Trigonometric functions of sum of two angles.
Formulas for sine, cosine, tangent and cotangent :
sin(α+β), cos(α+β), tg(α+β), ctg(α+β)
Trigonometric functions of difference of two angles
Formulas for sine, cosine, tangent and cotangent :
sin(α- β), cos(α- β), tg(α- β), ctg(α- β)
What are the double-angle formulas
Trigonometric identities for sine, cosine, tangent and cotangent :
sin( 2α ), cos( 2α ), tg( 2α ), ctg( 2α )
Triple angle formulas, trigonometry
Identities for sine, cosine, tangent and cotangent :
sin( 3α ), cos( 3α ), tg( 3α ), ctg( 3α )
Half-angle formula for tangent
Trigonometric identities for sine, cosine, tangent and cotangent :
sin( α / 2 ), cos( α / 2 ), tg( α / 2 ), ctg( α / 2 )
Trigonometric functions squared (sine, cosine, tangent and cotangent)
sin2( α ), cos2( α ), tg2( α ), ctg2( α )
Trigonometric functions cubed (sine, cosine, tangent and cotangent)
sin3( α ), cos3( α ), tg3( α ), ctg3( α )
Sum of trigonometric functions (sine, cosine, tangent)
Difference of trigonometric functions (sine, cosine, tangent)
Product of trigonometric functions (sine, cosine, tangent and cotangent )
