COS 77°\
sin 13°
+ cos² 52°-sin2 38°+3 cos2 40°\
sin2 50°.
Answers
Answered by
0
Answer:
ghcuchvugughfuhfhhfyiyydtichic
Step-by-step explanation:
vicchchcjcjvjvvjhcgcgchvjvjcchcjvj
Similar questions