Question

1-cos theta equals to
​

Answer 1

Answer:

1-cos2 theta =sin2 theta

hope it helped you

Answer 2

Answer:

• $\sqrt{1 - {sin}^{2} }$

Explanation:

${ sin}^{2} + {cos}^{2} = 1 \\ \\ {cos }^{2} = 1 - {sin}^{2} \\ \\ cos \: theta = \sqrt{1 - {sin}^{2} }$