Answer: 35/16
Step-by-step explanation:
Double angle identity for sine:


Factorize the left side.

Pythagorean identity:


so that

Answer:
For this case we have by definition, that an irrational number is a number that can not be expressed as a fraction \ frac {a} {b}, where a and b are integers and b is different from zero.
A) , it is rational
B), it is rational
C) , it is rational
D) it is not rational.
Step-by-step explanation:
dddddd its dddd
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The first one is 8 and the second one is 6