Find cos(−2835°) and sin(−2835°). identify the measure of the reference angle

Solution:

As per the question:

We need to find the values of:

Now, we know that:

Also

Now,

From the above eqn (1)  and (2):

Now the above respective values can be further calculated from eqns (3) and (4):

where

n = 8

boxplot e is the answer

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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