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Cal1 Trig review
Review your trig functions
31
Mathematics
Undergraduate 3
06/10/2026
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Term
Sinx
 Definition
o/h
Term
Cosx
 Definition
a/h
Term
Tanx
 Definition
o/a
Term
cscx
 Definition
h/o, 1/sinx
Term
secx
 Definition
h/a, 1/cosx
Term
cotx
 Definition
a/o, 1/cotx
Term
sin^2x+cos^2x
 Definition
1
Term
tan^2x+1
 Definition
sec^2x
Term
1+cot^2x
 Definition
csc^2x
Term
sin^2x
 Definition
1/2(1-cos(2x))
Term
cos^2x
 Definition
1/2(1+cos(2x))
Term
tan^2x
 Definition
(1-cos(2x))/(1+cos(2x))
Term
sin2x
 Definition
2sinxcosx
Term
cos2x
 Definition
cos^2x-sin^2x, 2cos^2-1
Term
tan2x
 Definition
2tan/1-tan^2x
Term
sin(pi/2-x)
 Definition
cosx
Term
cos(pi/2-x)
 Definition
sinx
Term
csc(pi/2-x)
 Definition
secx
Term
sec(pi/2-x)
 Definition
cscx
Term
tan(pi/2-x)
 Definition
cotx
Term
cot(pi/2-x)
 Definition
tanx
Term
d/dx(x)
 Definition
1
Term
d/dx(sinx)
 Definition
cosx
Term
d/dx(cosx)
 Definition
-sinx
Term
d/dx(tanx)
 Definition
sec^2x
Term
d/dx(secx)
 Definition
secxtanx
Term
d/dx(cscx)
 Definition
-cscx cotx
Term
d/dx(cotx)
 Definition
-csc^2x
Term
d/dx(a^x)
 Definition
a^xlna
Term
d/dx(lnx)
 Definition
1/x x>0
Term
d/dx(log_ax)
 Definition
1/xlna x>0
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