Answer:
9/4
Step-by-step explanation:
1.
2.
3.
Therefore, the slope is 9/4.
Please solve thank you very much!!
2 answers:
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Option C:
x = 90°
Solution:
Given equation:
<u>To find the degree:</u>
Subtract 1 + cos²x from both sides.
Using the trigonometric identity:
Let sin x = u
Factor the quadratic equation.
u + 2 = 0, u – 1 = 0
u = –2, u = 1
That is sin x = –2, sin x = 1
sin x can't be smaller than –1 for real solutions. So ignore sin x = –2.
sin x = 1
The value of sin is 1 for 90°.
x = 90°.
Option C is the correct answer.
Hey!
Explanation:
↓↓↓↓↓↓↓↓↓↓
First, remove parenthesis.
Secondly, multiple by the numbers.
Third, apply exponents rule.
Finally, refine.
<u><em>Answer⇒⇒⇒⇒28</em></u>
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