Step-by-step explanation:
3cos2x +sinx=1
3(1-2sin²x)+sinx=1
3-6sin²x+sinx=1
sinx(-6sinx+1)=1
either
sinx=1
sinx=sin(90)
:.x=90
or
-6sinx+1=1
-6sinx=1-1
sinx=0/-6
sinx=sin0,sin180
:.x=0,180and90
Answer:
the answer is 5
Step-by-step explanation:
5.3x5=26.5
y=2x-2
y=-4
I think ..................
Answer:
Step-by-step explanation:
20 times 30 is 600!
600 times 100 is 60,000!
The answer is 60,000!
