We know that
if <span>sin (2x) = cos (7x)
then
(2x) and (7x) are complementary angles
so
(2x)+(7x)=90----------> 9x=90-------> x=90/9--------> x=10</span>°
the answer is
x=10°
Answer:
Step-by-step explanation:
De mais
Answer:
181.5 miles
Step-by-step explanation:
1 mile ≈ 1.609 km
292km = 292/1.609 = 181.5 miles
Answer:
Step-by-step explanation:
Subtract 2.25 from both sides