The third is because the prove is x = fifteen and if a number is next to a letter, it means multiply, sorry I could only do one.
I believe it’s the first one. i’m very sorry if it’s wrong
Sec x is equal to 1/cosx, cot x is equal to cosx/sinx. cos x cancels, and you are left with 1/sinx. this is equal to cscx. Cosecant is : hypotenuse / opposite, so the answer is **D**
Answer:
594.1
Step-by-step explanation:
87÷15=5.1
672-83=589
so then you add those to together and get 594.1
Step-by-step explanation:
- if you want to round off to the nearest tenth, you need to change the last unit. so it become to 2 720 130