Given sin(a) = 7/25 and sin(b) = 12/13
using the sum and difference identities determine the value of
sin(a - b)
sin (a + b)=sin a cos b
cos a sin b
(you may assume angles a and b exist in the first quadrant)

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

a line is an defined derm because it

a)contains an infinite number of points b) can be used to create other geometric shapes c)describes something that does not have width or depth d) is a term that does not have a formal definition. a line is an undefined term because it: contains an infinite number of points.

step-by-step explanation: