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Use a Graphing Calculator to Make a Conjecture as to Whether

Question 198

Multiple Choice

Use a graphing calculator to make a conjecture as to whether each equation is an identity.
- cos⁡2xsin⁡2x+cos⁡xsec⁡x\frac { \cos ^ { 2 } x } { \sin ^ { 2 } x } + \cos x \sec x


A) csc⁡x\csc x
B) csc⁡2x\csc ^ { 2 } x
C) sec⁡2x\sec ^ { 2 } x
D) cot⁡2x\cot ^ { 2 } x

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