Its asking you to draw rectangles with sides that equal 30 cm for example
Answer:

Step-by-step explanation:
The trigonometric identity is :

We need to express secθ in terms of tanθ.
The above equation becomes,

Hence, this is the required solution.
Answer:
I would go with option 4
Step-by-step explanation:
10
1, 2, 5, 10
These would be the multiples of the product 10 in order.