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Chapter 6: Q. 9 (page 395)

$s i n^{2} θ + c o s^{2} θ =$ ____.

Short Answer

Expert verified

The required solution is $s i n^{2} θ + c o s^{2} θ = 1$ .

Step by step solution

01

Step 1. Given information.

We have:

$s i n^{2} θ + c o s^{2} θ =$ _____

02

Step 2. Fill the blank.

Pythagorean identity states that no matter what the value of $θ$ is, $s i n^{2} θ + c o s^{2} θ$ is equal to $1 .$

$s i n^{2} θ + c o s^{2} θ = 1$

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