(64)^1/4 = ∜64 = 2<span>∜4
answer is
A. first one
</span>2<span>∜4</span>
-37,16,51,61
negative numbers are always less than positive numbers
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:
regular polygon of 9 sides has 9 lines of symmetry
