First we solve this equation:
x = cos^-1(0) = pi/2 and 3pi/2

Now, this is the answer for angles between 0 and 2pi

but there are "negative angles" and angles larger than 2pi
so the general solution that includes all of these cases is:

x = pi/2 + n*pi

here n is any integer.

6 0

3 years ago

Hich rule about the sign of the quotient of positive and negative decimals is correct?

MrRissso [65]

B is the right answer

3 0

3 years ago

Read 2 more answers

True or false? All quadrilaterals are also rhombuses.

Molodets [167]

Answer:

It's false

All quadrilaterals are also rhombus, False

4 0

3 years ago

Read 2 more answers

Sarah took the advertising department from her company on a road trip to meet with a potential client including Sarah a total of

Svetach [21]

Sarah has spent 7 first class tickets, and 6 coach tickets that totals for 13 people that took the trip.

$1040 * 7 = $7280

$140 * 6 = $840

$7280 + $840 = $8120 for Sarah's total budget she spent for 7 first class tickets and 6 coach tickets for 13 people that took the trip.

Answer:
7 first class tickets.
6 coach tickets.

Hope this helps!

~ ShadowXReaper069

7 0

3 years ago