Answer: X = 7/2
Step-by-step explanation: the alternative versions are 3 1/2 and 3.5
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Answer:
The measure of an inscribed angle is half the measure of the intercepted arc
∠EFG creates Arc EDG
if ∠EFG is 1/2 arc EDG then 115° x 2 = 230°
A circle is 360°.
The remaining arc EFG is 360° - 230° = 130°
∠EDG is 1/2 of arc EFG so, 130° ÷ 2 = 65°
∠EDG = 65°
(1): "x2" was replaced by "x^2".
STEP
1
:
Equation at the end of step 1
((4xy • (2x2 • y)) • 3xy) • 3
STEP
2
:
Multiplying exponential expressions
2.1 x1 multiplied by x2 = x(1 + 2) = x3
Multiplying exponential expressions :
2.2 y1 multiplied by y1 = y(1 + 1) = y2
Multiplying exponents:
2.3 22 multiplied by 21 = 2(2 + 1) = 23
Equation at the end of step
2
:
(23x3y2 • 3xy) • 3
STEP
3
:
Multiplying exponential expressions
3.1 x3 multiplied by x1 = x(3 + 1) = x4
Multiplying exponential expressions :
3.2 y2 multiplied by y1 = y(2 + 1) = y3
Equation at the end of step
3
:
(23•3x4y3) • 3
STEP
4
:
Multiplying exponents
4.1 31 multiplied by 31 = 3(1 + 1) = 32
Final result :
(23•32x4y3)
Step-by-step explanation:
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Let
because that is the range of the inverse cosine funcition.
Also,
Square both sides and apply the fundamental trigonometric identity:
But
which means
lies either in the 1st or the 2nd quadrant. So
is a positive number:
I hope this helps. =)
Tags: <em>inverse trigonometric function cosine sine cos sin trig trigonometry</em>