Answer:
Example 1: Change sin 80° cos 130° + cos 80° sin 130° into a trigonometric function in ... Example 2: Verify that cos (180° − x) = − cos x ... Example 7: Verify that sin (360° − x) = − sin x.
Answer:
do you mean expression??????
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Step-by-step explanation:
40+4x=?????
40+4x = 60-20+6x-2x
40+4x = 40+4x
0=0
equivilant
Answer:
<u>First, find the value of x:</u>
<u>Substitute the x-value in to the function </u>
<u> and solve:</u>
<u>Therefore, the value of h(9) = </u><u>13</u><u>.</u>
<em>Hope this is correct O-o</em>
Answer:
$250
Step-by-step explanation:
200/80=2.50
2.50*100=250
