25, 7*4 = 28 32-28=4 and 42/6=7*3 = 21 + 4 = 25
The answer is D i think
Answer:
Step-by-step explanation:
Given
See attachment for triangles
Solving (a)
The tan of an angle is:
From the given triangle.
So, we have:
Solving (b)
The cos of an angle is: