Home
>
PC
>
Chapter 10
>
Lesson 10.2.2
> Problem 10-84
10-84.
Hint (a):
Let
w
= 2
θ
.
What is sin
^{2}
w
+ cos
^{2}
w
?
Hint (b):
Let
w
=
θ
^{2}
− 2.