SA In which step did Montiah make an error?
MY
3(x+8)2 + 8 = 83
Pra
3(x+8)2 = 75
Step 1
Pro
(x + 8)2 = 225
Step 2
Tea
2 +8= £15
Step 3
x = 7 or x = -23 Step 4

Idon’t know what the answer is i wish i could

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.