Use a graphing calculator to make a conjecture as to whether each equation is an identity.
-cos x tan x
A) cot x
B) cos x
C) 1
D) sin x
Correct Answer:
Verified
Q171: Graph the expression on each side
Q172: Using a sum or difference identity,
Q173: Use an identity to write the
Q174: Use an identity to write the
Q175: Use an identity to write the
Q177: Graph the expression on each side
Q178: Use an identity to write the
Q179: Using a sum or difference identity,
Q180: Rewrite the following as a product of
Q181: Use the fundamental identities to find
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