Sin of an angle is opposite leg divided by hypotenuse.
sin B= 12 / 13
tan of an angle is opposite leg divided by adjacent leg
tan B= 12 / 5
cos of an angle is adjacent leg divided by hypotenuse
cos B= 5 / 13
Answer
B
Explanation
f+g= (2x^2+1) + (3x-3)
f+g= 2x^2+1+3x-3
f+g=2x^2+3x-2
Hence the statement or equation 2x^2+3x-2 is a quadratic equation
Ten is to the 6th power so there are 6 zeroes.
The answer is 6e+94
Hope this helps!!!