Answer:
sin75°=sin(45°+30°)=(√6+√2)/4
Step-by-step explanation:
sin75°=sin(45°+30°)
=sin45°*cos30°+cos45°*sin30°
=(√2/2)* (√3/2)+ (√2/2)*(1/2)
=(√6+√2)/4
<em>sin75°=sin(45°+30°)=(√6+√2)/4</em>
<em>sin75°=sin(45°+30°)</em>
The number of dimes in Kiara's collection is 13 more than 5 times the
number of quarters in her collection. Kiara has 78 dimes in her
collection.
is the right answer.
Answer: The answer is 3.5
3
