The <em><u>correct answer</u></em> is:
disjunction
Explanation:
In geometry, a conjunction is a statement joined by "and." This is "or," so it is not a conjunction.
A negation is the opposite of a statement. This is not a negation.
A conditional is an if-then statement. This is not an if-then statement, so it is not a conditional.
A disjunction is joined by "or." This is joined by "or," so this is a disjunction.
Answer:
Thus, in the last example, both −3/2 and 5 are zeros of the quadratic function f(x)=2x2 −7x−15.
Step-by-step explanation:
Answer:
$21.62
Step-by-step explanation:
The correct ratios are: cos 27=23/RT, sec 27= 23/10.4 and cot 63 = RT/10.4
What is trigonometry ratio in tringle?
- Trigonometric ratios are the ratios of the length of sides of a triangle.
- These ratios in trigonometry relate the ratio of sides of a right triangle to the respective angle.
- The basic trigonometric ratios are sin, cos, and tan, namely sine, cosine, and tangent ratios.
In triangle RST, angle T= 90° and angle R= 63°
As the total of all angle in any triangle is 180°, so the measure of the angle S = 180°- (90°+63°)
S= 180°- 153°
S= 27°
According to the rule of trigonometric ratios,
cos(θ) = 
sec(θ) = 
cot(θ) = 
In respect of angle R (63°), side RS(23) is hypotenuse , ST(10.4) is opposite and RT is adjacent.
cos(63°) = 
sec(63°) = 
cot(63°) = 
Now, in respect of angle S(27°), hypotenuse is RS(23), adjacent is ST(10.4) and opposite is RT.
So, cos(27°) = 
sec(27°) = 
cot(27°) = 
Learn more about trigonometry ratio
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