Answer:
Step-by-step explanation:
8^2 + 15^2 = ?
64 + 225 = 17^2
289 = 289
3/4 = x
7 - 14x = 2x - 5
+14x +14x
_____________
7 =16x -5
+5 +5
__________-
12 = 16x
÷16 ÷16
__________
12/16 = x
-or-
Hope this helped :D
Answer: i think D
tan(π−2/5)
decimal form -0.42