The same value as cosα
cosα=sin(90-α) and vice versa
sinα=cos(90-α)
Answer:
28.5 cm²
Step-by-step explanation:
There are 7 whole diamonds and 5 half-diamonds. Each diamond is worth three.
7x3=21
5/2x3=7.5
21+7.5=28.5
33=17x-18 add 18 both sides
51=17x. divide 17 both sides
3 = x
Answer:
Idont know
Step-by-step explanation:
Answer:

Step-by-step explanation:
Using the slope formula:
