subject
Mathematics, 10.05.2021 18:40 robert7248

___cosb=1/2[cos(a+b)+cos(a-b)]
A. Sinb
B. Sina
C. Cosb
D. Cosa


___cosb=1/2[cos(a+b)+cos(a-b)]
A. Sinb 
B. Sina 
C. Cosb
D. Cosa

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
Are triangles the congruent? write the congruency statement.what is the congruency that proves they are congruent? what is the perimeter of āˆ†pqr?
Answers: 1
question
Mathematics, 21.06.2019 23:30
Fill in the table with whole numbers to make 430 in five different ways
Answers: 1
question
Mathematics, 22.06.2019 01:30
This graph shows a portion of an odd function. use the graph to complete the table of values. x f(x) āˆ’2 āˆ’3 āˆ’4 āˆ’6
Answers: 3
question
Mathematics, 22.06.2019 03:00
Which is the graph of the following inequality?
Answers: 3
You know the right answer?
___cosb=1/2[cos(a+b)+cos(a-b)]
A. Sinb
B. Sina
C. Cosb
D. Cosa
...
Questions
question
Mathematics, 14.01.2021 22:10
question
Mathematics, 14.01.2021 22:10
question
History, 14.01.2021 22:10
question
Mathematics, 14.01.2021 22:10
question
Chemistry, 14.01.2021 22:10