Why the value of the following determinant is = 0

Select the appropriate response

A) Because primary diagonal is greater that secondary

B) Because of their rows are proportionals

C) Because secondary diagonal is greater that primary

D) Can't be determined

I'm not very sure what to do here, added two photos for clarity but the original is the one without the fraction lines

3/5

step-by-step explanation:

double number line is not a standard concept, so it must have been defined in your textbook. assume top line is numerator.

answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92

the answer should be a. snail

6: 07 is your answer

step-by-step explanation: