Question: How is an identity verified with trigonometry? sec ( - x) sin x = tan x To verify the identity, start with the more complicated
How is an identity verified with trigonometry?

sec ( - x) sin x = tan x To verify the identity, start with the more complicated side and transform it to look like the other side. Choose the correct transformations and transform the expression at each step. sec ( - x) sin x = sin x sin x = tan x
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