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Mathematics, 28.01.2020 10:31 miamassimino

Use the trigonometric subtraction formula for sine to verify this identity:

cos((π / 2) – x) = sin x

answer format:

calculation:

1.

2.

reason:

1. -this follows from the difference formula for cosine

2. -this follows by evaluating at π / 2

this proves the identity:

-

ansver
Answers: 3

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Use the trigonometric subtraction formula for sine to verify this identity:

cos((π / 2)...
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