Write the given expression as a function that involves only sin *θ*, cos *θ*, or tan *θ*.

cos(

*θ*+ 7*π*)

- All categories
- Pre-Algebra Answers (11,617)
- Algebra 1 Answers (23,843)
- Algebra 2 Answers (9,859)
- Geometry Answers (4,754)
- Trigonometry Answers (2,398)
- Calculus Answers (5,415)
- Statistics Answers (2,767)
- Word Problem Answers (8,840)
- Other Math Topics (4,731)

...