Answer:
cos x (2 sin x − 1)
Step-by-step explanation:
sin(2x) − cos x
Use double angle formula.
2 sin x cos x − cos x
Factor.
cos x (2 sin x − 1)
The correct solution is 75.
Valid based on the given information<span>. If not, write </span>invalid<span>. ... So, the statement is </span>invalid<span>. Determine .....disprove a </span>conjecture<span> reached using inductive or deductive</span><span> .</span>
I am pretty sure it is 120 or 30
