Prove the identity.tan 2x = 
What will be an ideal response?
Answers may vary. One possible solution is:
tan 2x = 
= 
= 
= 
.
Mathematics
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For the given complex number, determine the complex conjugate in trigonometric form.2
(cos (-40°) + i sin (-40°))
A. 2
(cos (40°) + i sin (40°))
B. 
(cos (-40°) + i sin (-40°))
C. 2
(cos (40°) + i sin (-40°))
D. 
(cos (-40°) + i sin (40°))
Mathematics
Subtract.0.56 - (-0.34)
A. 0.22 B. 0.1904 C. 1 D. 0.9
Mathematics
Solve the problem.Which of the following investments would not be considered a primary asset class?
A. precious metals B. stock swaps C. cash D. real estate
Mathematics
Find the GCF.140, 40
A. 20 B. 5 C. 10 D. 4
Mathematics