In this figure, sin(a) = 2 3 What is the value of cos(b) ? A) 1 3 B) 2 3 C) 2 3 D) 3 2
<...
Mathematics, 19.03.2020 18:29 hughesbella
In this figure, sin(a) = 2 3 What is the value of cos(b) ? A) 1 3 B) 2 3 C) 2 3 D) 3 2
\frac{2}{3}
The angles a and b sum to 90°, so they are complementary. A trigonometric identity asserts that cos(90° - a) = sin (a) for any angle a, so cos(b) = sin (a) = \frac{2}{3}.
*not asking just informing
Answers: 1
Mathematics, 21.06.2019 19:00
Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.
Answers: 2
Mathematics, 21.06.2019 21:10
If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)
Answers: 1
Mathematics, 22.06.2019 00:40
The point (-7, -24) is on the terminal ray of angle 0 which is in standard position. a student found the six trigonometric values for angle e. the student's answers are shown. which value(s) are incorrect? sin(8) cos(8) 24 tan(0) sin(0)=25 cos(0) -- tan(ⓡ) - - 24 csc(o)=2 sec(0) --25 cot(6) - za csc(o) sec(0) cot(0) done
Answers: 3
Biology, 08.09.2020 22:01
Mathematics, 08.09.2020 22:01
Mathematics, 08.09.2020 22:01
Advanced Placement (AP), 08.09.2020 22:01
English, 08.09.2020 22:01
Mathematics, 08.09.2020 22:01
Mathematics, 08.09.2020 22:01
Mathematics, 08.09.2020 22:01
Physics, 08.09.2020 22:01
Biology, 08.09.2020 22:01
Mathematics, 08.09.2020 22:01
Biology, 08.09.2020 22:01
Mathematics, 08.09.2020 22:01