Use a double angle identity to evaluate the the expression

Determine the quadrant containing θ.

Find the length of the arc intercepted by a central angle of

I can use my smart phone to complete the photography assignments.

This course has been designed using OER (Open Education Resources) which are online and free.  No text purchase needed.

Commas Because they lived in mountainous terrain the Inca never, developed the wheel.

Dangling and/or Misplaced Modifiers Granny Dobbs took the overdone meat loaf, burned beyond all recognition, from the oven.

Faulty Parallelism The pitcher wiped his brow, straightened his cap, and tugged at the brim.

Subject-Verb Agreement Neither of those books on the list is required reading for the course.

Does the pronoun in this sentence refer clearly to its antecedent–the word it stands for. If the antecedent is clear, choose “right” for your answer. If the antecedent is unclear, choose “wrong.” Joan said the cordless phone is under the red pillow, but I can’t find it.