Question
4. (1 point) Which expression is equivalent to (sinTheta +cosTheta )^2 sin^2Theta +cos^2Theta b. 2sinTheta cosTheta c. 1+2sinTheta cosTheta d. I
Solution
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(178 Votes)
Hunter
Expert ยท Tutor for 3 years
Answer
### C.
Explanation
## Step 1: Expand the Expression### Expand
using the formula
. This gives us
.## Step 2: Apply the Pythagorean Identity### Recall the Pythagorean identity:
. Substitute this into the expanded expression from Step 1. This simplifies the expression to
.