Answer:
2/7
Step-by-step explanation:
There are <em>seven days in the week</em>, out out of those, <em>Sunday and Saturday</em> start with S. So, the probability is <em>2 out of 7</em>, or 2/7.
Hello,
sin (30°)= cos (60°)=1/2 (complementary angles)
sin D= cos E
Answer C