Use the Half-Angle Formulas to Simplify the Expression $\sqrt { \frac { 1 - \cos 10 x } { 2 } }$

question 120

Multiple Choice

Use the half-angle formulas to simplify the expression.
$\sqrt { \frac { 1 - \cos 10 x } { 2 } }$

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Definitions:

Evolutionary Process

The natural progression through which species undergo changes over time, driven by mechanisms such as natural selection and genetic drift.

Gametophyte

The sexual phase in the life cycle of plants and algae that produces gametes (sex cells), as opposed to the sporophyte stage which produces spores.

Sporophyte

The diploid phase in the life cycle of plants and algae that produces spores.

Fern

One of a phylum of seedless vascular plants that reproduce by