Trigonometri odevlerin islemi
2 answers:
Answer: get a calculator from wish.com (very good website)
Step-by-step explanation: you do If \displaystyle x+y+z=\pix+y+z=π prove the trigonometric identity
\displaystyle cot{\frac{x}{2}}+cot{\frac{y}{2}}+cotg\frac{z}{2}=cot{\frac{x}{2}}cot{\frac{y}{2}}cot{\frac{z}{2}}cot
2
x
+cot
2
y
+cotg
2
z
=cot
2
x
cot
2
y
cot
2
z
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Answer:
The value of PC is 40.
Step-by-step explanation:
Consider the complete question is " C is the circumcenter of triangle PQR. PC=3X-7 RC=5X-15 & QC= 51-X What does PC equal?"
All vertices or a triangle are equidistant from its circumcenter.
The value of x is 11.
We need to find the value of PC.
Substitute x=11 in the above equation.
Therefore, the value of PC is 40.