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Trigonometry
adding and subtracting rational expressions
(6)/(x^2--8x) - (3)/(x)
(6)/(x^2--8x) - (3)/(x)
Trigonometry
4^(x^2+4x)=2^-6
Trigonometry
adding and subtracting rational expressions
8/(x^2-4x) + 2/x
8/(x^2-4x) + 2/x
Trigonometry
adding and subtracting rational expressions
3/(2x) + 5/(3y)
3/(2x) + 5/(3y)
Trigonometry
solve the following
(7)/(12ab) - (11)/(15a^2)
(7)/(12ab) - (11)/(15a^2)
Trigonometry
verify that the equation is an identity
tan x(csc x - sin x) = cos x
tan x(csc x - sin x) = cos x
Trigonometry
use the fundamental identities to find an equivalent expression involving only sines and cosines, and then simplify it.
sec(to the 2nd power) X + sin(to the 2nd power) X
sec(to the 2nd power) X + sin(to the 2nd power) X
Trigonometry
simplify the expression
sin x cos x
--------------
tan x
sin x cos x
--------------
tan x
Trigonometry
use the fundamental identities to simplify the expression
cos (raised to the 2nd power) X
----------------------------------------- + csc X sin X
sin (raised to the 2nd power) X
cos (raised to the 2nd power) X
----------------------------------------- + csc X sin X
sin (raised to the 2nd power) X
Trigonometry
Find the exact value by using a half-angle identity.
sin 75 degrees
sin 75 degrees
