Prove the identity.cos-1x = sin-1
, for x ? 0
What will be an ideal response?
| cos-1x | sin-1 |
| cos(cos-1x ) | cos( sin-1 ) |
| x | x |
Mathematics
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Use the Comparison Test to determine if the series converges or diverges.
A. diverges B. converges
Mathematics
Find the square root.
A. - 
B. - 
C. 
D. Not a real number
Mathematics
Write the expression in the standard form a + bi.(6 + 7i) - (-8 + i)
A. 14 + 6i B. -2 + 8i C. 14 - 6i D. -14 - 6i
Mathematics
Provide an appropriate response.Is it possible to factor the expression 3x6(y + 8) + 10(y - 8)? If so, factor it.
A. Yes: (3x6 + 10 + 8 + y) B. No C. Yes: (3x6 + 10)(y - 8) D. Yes: (3x6 + 10)(y + 8)
Mathematics