Kategorie: Wszystkie - tangent - sine - cosine

przez Emily Conte 11 lat temu

384

Trig Functions and Identities

Trig Functions and Identities

Trig Functions and Identities

Cotangent

cot Ɵ= 1/ tanƟ
Graph of Cotangent
Inverse: cot^-1x
cot Ɵ= adjacent/opposite
Domain: {x/x≠kπ where k is an even integer}Range: (-∞,∞)

Cosecant

csc Ɵ= 1/sinƟ
Graph of Cosecant
Inverse: csc^-1x
csc Ɵ= hypotenuse/opposite
Domain: {x/x≠ kπ, where K is an integer}Range: (-∞, -1]U [-1, ∞)

Cosine

cos θ= 1/sec θ
Graph of Cosine
Inverse: cos^-1 x
cos θ= adjacent/hypotenus

Trig Identities

Secant

sec θ= 1/cos θ
Graph of Secant
Inverse: sec^-1x
Even Function
sec θ= hypotenuse/adjacent
Domain: {x/x≠kπ/2 where k is an odd integer}Range: (-∞, -1]U [-1, ∞)

Tangent

tan θ= sin θ/ cos θ
Graph of Tangent
Inverse: tan^-1 x
tan θ= opposite/adjacent
Domain: {x/x≠ odd multiples of π/2}Range: All real numbers

Sine

sin θ=1/cscθ
Graph of Sine
Inverse: sin^-1 x
Odd Function
sin θ= opposite/hypotenus
Domain: (-∞,∞)Range: [-1,1]