Answer:
9x-4
Step-by-step explanation:
add 5x and 4x
9x-3-1
subtract 1 from -3
9x-4
Look at the picture below
Answer:
its 123 look at the immage
Step-by-step explanation:
Answer:
When you see a formula like this, try to operate, so you will see some identities sooner or later. In this case, we have a substraction identity:
\frac{cos ( \alpha - \beta )}{cos \alpha cos \beta } = \frac{cos \alpha cos \beta + sin \alpha sin \beta }{cos \alpha cos \beta } = 1 + tan α · tan β
Step-by-step explanation:
Where is the graph to fill in
