Answer:
See explanation
Step-by-step explanation:
Given
The attached triangle
Required
Complete the ratios
(a) sin B
is calculated as:


(b) cos B
is calculated as:


(c) tan B
is calculated as:


(d) tan A
is calculated as:


(e) cos A
is calculated as:


(f) sin A
is calculated as:


Answer:
the 4th one
I guess
if this is the wrong answer then let me know
Step-by-step explanation:

Answer:
2n^{2} +2n
INSERT
Step-by-step explanation:first you want to move the negative which is negative 1 into the set of parenthesis and then Foil the two parenthesis together and the combine like terms
Answer:
Step-by-step explanation: