Answer:
The correct answer is -9.73°.
Step-by-step explanation:
The procedure is:
sin(x + 34)°=cos(2x+20)°
⇒ tan[tex]\frac{x+34}{2x+20}[/tex] = 1 ; [assuming cos (2x+20)° [tex]\neq[/tex]0]
⇒ x + 34 = 45 × ( 2x +20)
⇒ x + 34 = 90x + 900
⇒ 89x = -866
⇒ x = -9.73
and also 2x + 20 = 90° ⇒ x = 35°; but this does not satisfy the given equation.
Therefore the value of x is given by -9.73°.
Answer:
x = 12
Step-by-step explanation:
I don't know how the other guy ended up with that answer, but I just took the test and it's 12. Good luck, guys & girls & thems!
