Find all solutions to the equation (sinx-cosx)^2=3
2 answers:
Answer:
This equation has no solution.
Step-by-step explanation:
We have given the equation:
(sinx-cosx)²= 3
We have to solve it.
(sinx-cosx)²= 3
sin²x+cos²x-2sinxcosx = 3
As we know that :
sin²x+cos²x = 1
so, (1)-2sinxcosx = 3
1-2sinxcosx = 3
1-sin2x = 3
sin2x=1-3
sin2x = -2
2x = sin⁻¹(-2)
The value of sinx cannot be less than -1 so, this equation has no solution.
Answer:
no solutions
Step-by-step explanation:
Simplify the equation
Since
and
we have
Since cannot be less than this equation has no solutions.
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