Answer:
the first one
Step-by-step explanation:
Tan(a/2) = sin a / (1 + cos a)
tan(45/2) = sin(45) / (1 + cos(45)) = (1/√2) / (1 + 1/√2) = (1/√2) / (√2 + 1)/√2 = 1/(√2 + 1) = (√2 - 1)
Answer:12
Step-by-step explanation:
12x9=108
108-7=101
Your welcome
The answer is 29/34 your answer
Less then i really hope i helped