Mathematics, 31.01.2020 17:49 lorettawintx
What basic trigonometric identity would you use to verify that (sin² x + cos² x/cos x) = sec x?
a. sin x = (1/csc x)
b. 1 + cot² x = csc² x
c. cos² x + sin² x = 1
d. tan x = (sin x/cos x)
Answers: 1
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What basic trigonometric identity would you use to verify that (sin² x + cos² x/cos x) = sec x?
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