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Anon25 [30]
3 years ago
8

Arrange the steps in the correct order to solve this trigonometric equation. 2sin^2x - sin x = 0 for 0 degrees less than equal t

o x less than equal to 90

Mathematics
2 answers:
mihalych1998 [28]3 years ago
6 0
Consider this option (see the attached picture).

kicyunya [14]3 years ago
6 0

Answer:

1.  2sin^2x-sinx-1=0

2. substituting sinx with u  

3. 2u^2-u-1  

4. (2u+1)(u-1)=0

5. u=1 and u=-1/2

6. replacing u with sinx so sinx=1 sinx=-1/2  

7. x=90 0  <x<90

8.x=90

Step-by-step explanation:

i just took the test and got it right

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8 0
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