Find the Exact Value by Using a Half-Angle Identity

question 18

Multiple Choice

Find the exact value by using a half-angle identity.
-(csc ϴ + cot ϴ) (1 - cos ϴ) = sin ϴ

• A)Identity
• B)Not an Identity

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Definitions:

Diploid

An organism or cell having two sets of chromosomes or twice the haploid number, typifying most body cells except for gametes.

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of DNA, responsible for carrying genetic information.

Sister Chromatids

Replicated forms of a chromosome joined together by a common centromere and eventually separated during cell division.

Anaphase II

A stage in meiosis II where sister chromatids are pulled apart by spindle fibers towards opposite poles of the cell.