1/sin^2x-1/tan^2x=
1/sin^2x-1/ (sin^2x/cos^2x)<<sin tan= sin/cos>>
= 1/sin^2x- cos^2x / sin^2x
= (1- cos^2x) / sin^2x <<combining into a single fraction>>
sin^2 x / sin^2x <<since 1- cos^2 x sin^2 x
=1
this simplifies to 1.
Answer: 17
Step-by-step explanation:
If there are 5 cows and they add 12 then there are 17 cows in total
12+5=17
Answer:
The second expression is the product of the above expressions.....
Answer:
2250
Step-by-step explanation:
We want the amount paid, or the present value of the two payments
there are a couple of ways to do this, but because there are only two cashflows I think it's easier to just discount them manually
1352*(1/1.04)+1352*(1/1.04)²
This is equal to
2250
Drop the egg from half way up the building. This divides the search space in half. If it breaks, start on the bottom floor and work your way up the top :) Hope it works
