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Level 464

Fundamental Trigonometric Identities II


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cscθ
Reciprocal of Sine
secθ
Reciprocal of Cosine
cscθ
1/sinθ
secθ
1/cosθ
cotθ
cosθ /sinθ
cotθ
1/tanθ
tanθ
1 / cotθ
tanθ
1/cotθ
cosθ
Reciprocal of Secant
cosθ
1/secθ
sinθ
Reciprocal of Cosecant
sinθ
1/cscθ
tanθ=sinθ/cosθ
Quotient Identity for Tangent
cotθ=cosθ/sinθ
Quotient Identity for Cotangent
tanθ
sinθ/cosθ
cotθ
cosθ/sinθ
sinθ=cos(π/2-θ)
Cofunction Identity for Sine
cosθ=sin(π/2-θ)
Cofunction Identity for Cosine
tanθ=cot(π/2-θ)
Cofunction Identity for Tangent
cotθ=tan(π/2-θ)
Cofunction Identity for Cotangent
secθ=csc(π/2-θ)
Cofunction Identity for Secant
cscθ=sec(π/2-θ)
Cofunction Identity for Cosecant
sinθ
cos(π/2-θ)
cosθ
sin(π/2-θ)
tanθ
cot(π/2-θ)
cotθ
tan(π/2-θ)
sin(-θ)=-sinθ
Even/Odd Identity for Sine
cos(-θ)=cosθ
Even/Odd Identity for Cosine
tan(-θ)=-tanθ
Even/Odd Identity for Tangent
cot(-θ)=-cotθ
Even/Odd Identity for Cotangent
sec(-θ)=secθ
Even/Odd Identity for Secant
csc(-θ)=cscθ
Even/Odd Identity for Cosecant
-sinθ
sin(-θ)
cosθ
cos(-θ)
-tanθ
tan(-θ)
-cotθ
cot(-θ)
-cscθ
csc(-θ)
1
sin²θ+cos²θ
sec²θ
tan²θ+1
csc²θ
1 + cot²θ Pythagorean identity
cos²θ
1-sin²θ
sin²θ
1-cos²θ
tan²θ
sec²θ-1
cot²θ
csc²θ-1
-1
tan²θ-sec²θ
1
sec²θ-tan²θ
-1
cot²θ-csc²θ
1
csc²θ-cot²θ
sec²θ
1 + tan²θ
cosθ
sin(π/2 - θ)
sinθ
cos(π/2 - θ)
cotθ
tan(π/2 - θ)
tanθ
cot(π/2 - θ)
sin(-θ)
-sinθ
csc(-θ)
-cscθ
sec(-θ)
secθ
cos(-θ)
cosθ
tan(-θ)
-tanθ
cot(-θ)
-cotθ
1/csc x
sinx (reciprocal)
1/sec x
cosx (reciprocal)
1/cot x
tanx (reciprocal)
sinx/cosx
tanx= (quotient)
cosx/sinx
cotx= (quotient)
1
sinx^2+cosx^2= (pythagorean)
secx^2
1+tanx^2= (pythagorean)
cscx^2
1+cotx^2= (pythagorean)
cosx
sin(pi/2-x)= (cofunction)
sinx
cos(pi/2-x)= (cofunction)
cotx
tan(pi/2-x)= (cofunction)
tanx
cot(pi/2-x)= (cofunction)
cscx
1/sinx
secx
secxtanx
-sin(x)
sin(-x)= (odd/even)
cos(x)
cos(-x)= (odd/even)
-tan(x)
tan(-x)= (odd/even)
-csc(x)
csc(-x)= (odd/even)
sec(x)
1 / (cos x)
-cot(x)
cot(-x)= (odd/even)