What is the value of [(sin7x - sin5x) ÷ (cos7x + cos5x)] - [(cos6x - – McqOptions

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1.	What is the value of [(sin7x - sin5x) ÷ (cos7x + cos5x)] - [(cos6x - cos4x) ÷ (sin6x + sin4x)]?
A.	1
B.	2tanx
C.	tan2x
D.	tan(3x/2)
Answer» C. tan2x

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