If tan x = 20/21 and π < x < 3π/2 what is sin(x + π/2)?

If tan x = 20/21 and π < x < 3π/2 what is sin(x + π/2)?

the fixed rate on the loan is 4.3% for 30 years. there are on points to pay. the taxes on the house are $3500/yr and the insurance is $800/yr. Quinn's car is paid off, but student loans are $200/mo...

Nancy worked out in the gym every Wednesday. She spent 3/5 time walking on treadmill. 2/3 of time was spent lifting weights. During remaining time, she spent 10min stretching and 10min coolong off...

You have 6 cats. Each carrying 6 designer bags. Within each hand bag there is 6 cats. For every 1 cat there is 6 kittens. How many legs are there?

ABC bank charges 11.50 php. fot ATM users who a4re account holders of local banks. It charges 25.75 php for account holders of international banks. After a day, the bank was able to collect 1188.75...

The winner receives one fourth of the purse, the person who comes in second receives one fifth, and the remainder of the purse is split among four What fractional part of the purse does the 4 rec...

Please help teach this to my kid.Please add explanation to answer as well. Thank you!

I confuse there are no numbers and is this algebra?

you have aquired 10 music CDs over the past 12 months. You put them in a portable CD caddy that holds exactly 10. A) How many arrangements are possible in the caddy? B) Suppose I try to...

there are 27 students in a class, 4 have perfect attendance, and 8 ask ?'s constantly. the needed score to pass is 80%. the avg quiz score during the 6 weeks of class is 75%. based on that how many...

The number of females that achieved a first degree in 1980 was 25,319, in the UK. Over the next ten years this number increased by 33.76%. How many females achieved a first degree in 1990?

I am needing a break down and how to solve this word problem

Please help me to solve this.

Points of Triangle NPQ N (-14, -1) P (10, -3) Q (6, 7)

Show work ALGEBRAICALLY. Only fractions or radicals. No rounded decimals.

How many hours would it take to watch a show with 12 seasons, all of which have 23 episodes of 43 minutes?

Most high school students take at least one sat test in their jr. year of high school to assist with placement and acceptance into college. the perfect score is 1600. en 2016 two students scored more...

What is the average speed for the commuter bus

What is the maximum amount of pizza I can buy

The jar has a total of 150 marbles