Use a Calculator to Decide Whether the Statement Is True

question 83

True/False

Use a calculator to decide whether the statement is true or false.
-sin (2 ·150°)= 2 · sin 150° · cos 150°

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Definitions:

Fetus

Developing human from about 9 weeks until birth.

Pregnancy

The condition of having a developing embryo or fetus in the body, typically in the womb, that results after fertilization of an egg by a sperm.

Midpiece

The segment of a spermatozoon between the head and the tail, containing mitochondria to power movement.

Meiosis

Nuclear division process required for sexual reproduction. Two nuclear divisions, meiosis I and II, halve the chromosome number for forthcoming gametes.