Question

find the principle value of

$cos - {}^{1} \: \: (\frac{ \sqrt{3} }{2})$

1mark question plz answer it​

Answer 1

Chlorophyll is a green pigment found in plants. Plants use chlorophyll and light to make food. People sometimes use chlorophyll as medicine. Common sources of chlorophyll used for medicine include alfalfa, algae, and silkworm droppings.

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