Question

8. Simplify. Give the exact value: sqrt{2} cos(x + frac{3pi}{4}) + sin(x + frac{pi}{2})

Name: 8. Simplify. Give the exact value: sqrt2 cos(x + frac3pi4) + sin(x + fracpi2)
Uploaded: 2022-04-28T07:59:40-08:00
Duration: 2 min 31 s
Channel: Ankit Singh
Description: 8. Simplify. Give the exact value: sqrt2 cos(x + frac3pi4) + sin(x + fracpi2)

          8. Simplify. Give the exact value: sqrt{2} cos(x + frac{3pi}{4}) + sin(x + frac{pi}{2})

$8. Simplify. Give the exact value: sqrt2 cos(x + frac3pi4) + sin(x + fracpi2)$

Added by Ines M.

Precalculus with Limits

Ron Larson 2nd Edition

Instant Answer

Solved by Expert Ankit Singh

04/28/2022

Step 1

Step 1:** Apply the formula for $ \cos(A + B) $: \[ \cos(A + B) = \cos A \cos B - \sin A \sin B \] ** Show more…

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8. Simplify. Give the exact value: 2 cos(~ + 37 ) + sin(r + %)

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8. Simplify. Give the exact value: sqrt{2} cos(x + frac{3pi}{4}) + sin(x + frac{pi}{2})

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