Sum/Difference Identities

Sum/Difference Identities

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12th Grade

Hard

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2 questions

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1.

FLASHCARD QUESTION

Front

sin 105º

Back

1/4 (√2 + √6)

2.

FLASHCARD QUESTION

Front

Use Sum or Difference Identities to find the exact value of cos(75°).

Back

√6/4 - √2 / 4