sin x = cos 54 = sin (90-54) = sin 46
Hence x = 46 deg
Same technique. Sin 21 = cos (5x+9) = sin (90-5x-9)
81-5x = 21
Or 5x = 60
Or x = 12 deg
hope it helps
Answer:
second is 1.50 first is 11.15
Step-by-step explanation:
see if it works for you I changed my fractions into decimals
Answer: 8.69 (read explanation)
Step-by-step explanation:
If the one above it is only 8 and x is slightly better it would make much more sense for it to be 8.69..... try it, it sounds quit accurate.
Answer:
D
Step-by-step explanation:
even
4(-x^3) = 4x^3
-4x^3 = 4x^3 (false)
odd
-4x^3 = 4(-x^3)
-4x^3 = -4x^3
Answer:
h=0
Step-by-step explanation:
-4(h-2)=8
/4 /4
h-2=-2
h=0
Hey Btw I strongly reccomend you use photomath for your math classes.