In the first quadrant, tangent, sine and cosine function are all positive.
So tan(90-A) = sin(90-A) / cos(90-A) = cos(A) / sin(A) = 1/tan(A)
Answer is d
E. No, there may be other differences between the two years besides the grades.
This is because every kid is different and Mr. Smith might have just gotten a better group of kids the second year. This is just one factor of many viable options.
May I have brainliest please? :)
Answer:
<h2>the radius = 15 cm</h2>
Step-by-step explanation:
let r be the radius of the circle.
→ We know that in circle , the length of an arc
and the corresponding central angle are proportional.
180 corresponds to πr
120 corresponds to 10π
Then
Answer:
132
Step-by-step explanation:
I'm assuming the six is not supposed to be there so here's what I did:
M - 23 = 109 - all you need to do is add 23 to both sides
M = 132 - doing this cancels out the -23 on the left
He could have wrote -2.5 or -3.
