Answer:
A, B, E, and F
Step-by-step explanation:
sinx and cosx are defined for all values of x. So, sin⁻¹x and cos⁻¹x are also defined for all values of x.
A and E are correct.
tanx is defined for all values of x.
However, tan(nπ) = 0 at when n is an integer. So, tan⁻¹(±nx) is undefined. However, tan⁻¹(-½x) is defined, because -½ is not an integer.
B and F are correct.
C and D are <em>wrong</em>. Both sec⁻¹x and csc⁻¹x are undefined when -1 < x < 1, and -½ is in this forbidden region.
Answer:
3
x(x^2-3)
4x(x^2+5488)
Step-by-step explanation:
Answers:
11. u = {0, 1/3}
12. n = {-4, 0}
13. s = {-5, 0}
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The slope intercept form is y=mx+b so u need the exact expression u can't complete a full equation
