Mathematics, 29.04.2021 21:30 Jana1517
If r and t are the measures of two acute angles so that r + t = 90° , then cos r equals:
(1) sin(90° - t)
(2) sin(t + 90°)
(3) sin(t - 90°)
(4) sin t
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 18:50
Which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = x2 – 10x +2?
Answers: 1
Mathematics, 21.06.2019 20:30
If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?
Answers: 1
Mathematics, 21.06.2019 20:30
The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers
Answers: 3
Mathematics, 21.06.2019 22:30
Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.
Answers: 1
You know the right answer?
If r and t are the measures of two acute angles so that r + t = 90° , then cos r equals:
(1) sin(9...
Questions
Mathematics, 14.05.2021 19:10
Mathematics, 14.05.2021 19:10
Mathematics, 14.05.2021 19:10
Chemistry, 14.05.2021 19:10
Biology, 14.05.2021 19:10
Mathematics, 14.05.2021 19:10
History, 14.05.2021 19:10
Arts, 14.05.2021 19:10
Mathematics, 14.05.2021 19:10
