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)
RS is 68 and T is 92 if you want an explanation then i gotten but u said quick so maybe it is timed idk
Answer:
2500
Step-by-step explanation:
there you go haha
Answer: 4h/5
Step-by-step explanation:
Answer:13n=200
Step-by-step explanation$13 for pood per person. n is the number of people. 13 times n equals 200
