Answer:
Option 2
Step-by-step explanation:
Since theta is in the third quadrant, the sine of theta is negative.
By the Pythagorean identity,
So, using the double angle formula for sine, we get that
What is the value of x in the equation 58 = 10x − 2?
2 answers:
You might be interested in
Answer:
See explanation
Step-by-step explanation:
If segment AB is tangent to the smaller circle, than AB⊥OR. Consider two right triangles AOR and BOR. In these triangles:
- OR is common leg;
- AO=OB as radii of larger circle;
- ∠ARO=∠BRO, because AB⊥OR.
By HL theorem, ttriangles AOR and BOR are congruent. This gives you that AR=RB.
Answer:
Step-by-step explanation:
Given
Required
Rewrite and identify a, b and c
The required form is:
Equate both expressions
Rewrite as:
Compare the expressions on either sides