4 (e)
sin^8 x - cos^8 x
= (sin^4 x + cos^4 x)(sin^4 x - cos^4 x)
= (sin^4 x + cos^4 x)(sin^2 x - cos^2x)(sin^2 x +cos^2 x)
= (sin^4x + cos^4 x)( sin^2 x- cos^2 x)
Sorry I cant do 4 (d).
Answer:
8,056
Step-by-step explanation:
I took the application
4.95+4.95×0.05=5.20
5 dollars 20 cents
Always because all real numbers are solutions. Please give brainliest.
Answer:
48.
or 
51.
or 
54.
or 
57.
or 
Step-by-step explanation:
48. 
-There are two equations:
Equation 1:

or
Equation 2:

Solving equation 1:




(Inequality sign changed, because of dividing by a negative number)
-Solving equation 2:




(Inequality sign changed, because of dividing by a negative number)
-Answers:
or 
51. 
-There are two equations:
Equation 1:

or
Equation 2:

-Solving equation 1:



-Solving equation 2:



Answers:
or 
54. 
-There are two equations:
Equation 1:

or
Equation 2:

-Solving equation 1:





-Solving equation 2:





-Answers:
or 
57. 
-There are two equations:
Equation 1:

or
Equation 2:

-Solving equation 1:





Solving equation 2:





Answers:
or 
And we are finished.
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