Sign In
Ask Question
Mathematics
Guest
12 January, 13:06
What is the exact value of sin - 840
+4
Answers (
1
)
Erin Burgess
12 January, 14:22
0
First subtract 2 revolutions from the - 840 : - ( - (840-720) = - 120
This gives sin - 120 which is in the 3rd quadrant of the unit circle
sin - 120 = - sin 60 = - sqrt3/2
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Get an answer to your question ✅
“What is the exact value of sin - 840 ...”
in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
Which numbers below belong to the solution set of the inequality? x+16>51
Answers (1)
What is the square root mean
Answers (2)
When kettle is full of water it has a mass of 2900 grams. When the kettle is half full of water it has a mass of 2050 grams. What is the mass of the kettle when it is empty?
Answers (1)
What is the domain of f (x) = √ (x) ?
Answers (1)
Andy is making a design using ice cream sticks that are 4 and 1/2 in long he wants this long side of his designed to be no longer than 24 inches what is the greatest number of sticks that any can use on his long side of his design
Answers (1)
New Questions in Mathematics
If james types 120 words per 3 minutes, what is his rate of typing
Answers (2)
Find the solution to the system of equations. You can use the interactive graph below to find the solution. y=-4x-3 y=-2x+1
Answers (1)
Select the correct answer. Select the graph of the equation below. y = - 12 + 1
Answers (1)
At smith mountain lake boat rentals, it cost $25 per hour to rent a pontoon boat, plus a one-time charge for cleaning. The Bengel family rented a boat from 11 am - 6:30 pm and paid $226.50.
Answers (1)
Which system of equations has infinitely many solutions? A) 6x + 3y = 12 3x + y = 9 B) 2x + 3y = 6 4x + y = 8 C) 12x + 9y = 6 4x + 3y = 6 D) 5x + 10y = 20 2x+4y=8
Answers (2)
Home
»
Mathematics
» What is the exact value of sin - 840
Sign In
Sign Up
Forgot Password?