Answer:
270
Step-by-step explanation:
Z=10 because the opposite side is 50 degrees so the 5z=50
If you solve, z=10
Answer:
X = -4
Step-by-step explanation:
Negative 4, hope this helps
Answer:
this is correct on plato/edmentum
Step-by-step explanation:
Write out the sum formula for sin
<span>sin(x + y) = sinxcos + sinycosx </span>
<span>Then expand sin(a + b) + sin(a - b) </span>
<span>sinacosb + sinbcosa + sinacosb - sinbcosa </span>
<span>The 2nd and 4th terms cancel and you get </span>
<span>2sinacosb</span>
