Answers: 1
by the double angle identity for cosine.
.
-coordinate at 
is 
Another question on Mathematics
Mathematics, 21.06.2019 23:00
How can writing phrases as algebraic expressions you solve problems?
Answers: 2
Mathematics, 22.06.2019 00:00
The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels
Answers: 1
Mathematics, 22.06.2019 00:30
The measures of two supplementary angles are (2x + 10)° and (8x + 10)°. what is the measure of the larger angle? a. 16° b. 44° c. 14° d. 138°
Answers: 2
You know the right answer?
Evaluate cos^2(67.5 degrees) - sin^2(67.5 degrees)...
Questions
Social Studies, 23.12.2021 05:10
Mathematics, 23.12.2021 05:20
Biology, 23.12.2021 05:20
Business, 23.12.2021 05:20
SAT, 23.12.2021 05:20
English, 23.12.2021 05:20
