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)
2+1/3n=8 is the answer, I believe.
Answer:
-9,4
Step-by-step explanation:
Answer:
c the number of the person who is this and what is the address of the house and the
Step-by-step explanation:
thanks for your help and support you in whatever way you can get a good
4^-3
You first need to make the exponent positive. To do this put it in a fraction.
1/4^3
Now solve the exponent.
4 * 4 * 4 =
^
16*4 = 64
1/64 is your answer