Question

(cos 60° )(cos 30º) – (sin 60°)(sin 30°)​

Answer 1

Answer:

In an essay, article, or book, an introduction is a beginning section which states the purpose and goals of the following writing. This is generally followed by the body and conclusion. The introduction typically describes the scope of the document and gives the brief explanation or summary of the document.

Answer 2

Answer:

cos =mph

Step-by-step explanation:

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