Sorry about the bad handwriting
Find f(-2) f(x)=9x^2-5x+2
f(-2) means replace x in the equation with -2:
f(-2)=9(-2)^2-5(-2)+2
= 9(4) +10 + 2
= 36 +10 + 2
= 48
f(-2) = 48
Answer:
-21/4
Step-by-step explanation:
slope = y2-y1/ x2-x1
-18 - 3 / 17-13 = -21/4
The missing trigonometric values are listed below:
- Angle A = 90 - θ
- sin 28° = cos (62°)
- Cos 33° = sin 57°
- Cos 31° = sin 59°
- Cos (90 - θ) = sin(θ)
<h3>Meaning of Trigonometry</h3>
Trigonometry is a branch of mathematics that studies angles of triangles and its side length.
Trigonometry is so important that every student must come across this branch of mathematics.
In conclusion, the missing trigonometric values are listed above
Learn more about trigonometry: brainly.com/question/24349828
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Answer:
B.99°
Step-by-step explanation:
105°+ 66°+90°+ angle c=360°
angle c= 360° - 261
=99°
