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