If there is a triangle with Sid a and b then sina b/✓a2+b2and seven=✓a2+b2/a
8 and 4 are the main numbers
Answer:

Step-by-step explanation:
Recall the negative angle identity for the sine function:
Then, we can find the value of
:

Now recall the definition of the tangent function:

Therefore, now that we know the value of
, we can solve in this equation for 
