sinx (Reciprocal)
1/cscx
cosx (Reciprocal)
1/secx
tanx (Reciprocal)
1/cotx
cscx (Reciprocal)
1/sinx
secx (Reciprocal)
1/cosx
cotx (Reciprocal)
1/tanx
tanx (Ratio)
sinx/cosx
cotx (Ratio)
cscx/secx
sin squared x + cosine squared x
1
1 + cotangent squared x (spell it out)
cosecant squared x
tangent squared x + 1 (spell it out)
secant squared x
sin(-x)
#NAME?
cos(-x)
cosx
tan(-x)
#NAME?
csc(-x)
#NAME?
sec(-x)
secx
cot(-x)
#NAME?
sin(pi/2 minus x)
cosx
cos(pi/2 minus x)
sinx
tan(pi/2 minus x)
cotx
csc(pi/2 minus x)
secx
sec(pi/2 minus x)
cscx
cot(pi/2 minus x)
tanx
cos(A+B)
cosAcosB-sinAsinB
sin(A-B)
sinAcosB-cosAsinB
cos(A-B)
cosAcosB+sinAsinB
sin(A+B)
sinAcosB+cosAsinB
tan(A+B) (parentheses around numerator and denominator)
(tanA+tanB)/(1-tanAtanB)
tan (A-B) (parentheses around numerator and denominator)
(tanA-tanB)/(1+tanAtanB)
sin(2A)
2sinAcosA
cos(2A) #1 (spell it out)
cosine squared A minus sine squared A
cos(2A) #2 (spell it out)
two cosine squared A minus 1
cos(2A) #3 (spell it out)
1 minus two sine squared A
tan(2A) (parentheses around numerator and denominator/ spell out denominator)
(2tanA)/(1 minus tan squared A)
cos(half x) (weird answer/ numbers and words)
+- square root of (1/2(1+cosx))
sin (half x) (weird answer/ numbers and words)
+- square root of (1/2(1-cosx))
tan (half x) (weird answer/ numbers and words) (parentheses around numerator and denominator)
+- square root of ((1-cosx)/(1+cosx))
tan (half x) (normal answer #1) (parentheses around numerator and denominator)
(sinx)/(1+cosx)
tan (half x) (normal answer #2) (parentheses around numerator and denominator)
(1-cosx)/(sinx)
sin(A+B)+sin(A-B)
2sinAcosB
sin(A+B)-sin(A-B)
2cosAsinB
cos(A+B)+cos(A-B)
2cosAcosB
cos(A+B)-cos(A-B)
2sinAsinB