Answer:
option a is correct friend...
Answer:
x can be anything. (Infinite solutions)
Step-by-step explanation:
Expand:
Subtract 9 from each side:
Subtract 3x from both sides:
Both sides are equal, and hence this equation is true for any "x" value.
Answer and Explanation:
The ratio sine is defined as:
opposite side / hypotenuse.
In this triangle, the right angle is ∠P and the hypotenuse is ON.
So, the sine of ∠N is:
,
which is:
28 / 53
Answer:
error in step 1
Step-by-step explanation:
well where is does the step not make sense?
remember cos(pi) = -1 and sin(pi)=0
that means step 1 is strange... it didn't distribute properly
it should have been:
cos(pi) - cos(A)
hope that helps! ^-^
Step-by-step explanation:
and