subject
Mathematics, 14.11.2021 21:00 mothertrucker2828

PLEASE HELP ME!!! ASAP SHOW YOUR WORK!!!

Given cos x = - √15/4 and 90°< x <180°, find the exact value for cos 2x

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?
Answers: 1
question
Mathematics, 21.06.2019 20:00
How many grams the dog will eat in 3 days?
Answers: 1
question
Mathematics, 21.06.2019 20:00
If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.
Answers: 2
question
Mathematics, 21.06.2019 21:30
The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?
Answers: 1
You know the right answer?
PLEASE HELP ME!!! ASAP SHOW YOUR WORK!!!

Given cos x = - √15/4 and 90°< x <180°,...
Questions
question
English, 30.06.2019 15:00
question
Mathematics, 30.06.2019 15:00
Questions on the website: 13722361