Solved

Evaluate the Following Expression

Question 16

Multiple Choice

Evaluate the following expression.(x ≠ π/2+πn,where n is a whole number)
(tan⁵x + tan⁷x) sec²x

A) sec4x tan¹²x
B) sec4x tan⁵x
C) 7 sec4x tan⁵x
D) 5 sec4x tan⁵x
E) sec12x tan⁵x

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