Solve for each equation for 0≤ø≤2π
1) tanø-2cosøtanø=0
tanø-2[cosø(sinø/cosø)]=0
tanø-2sinø=0
sinø/cosø-2sinø=0
sinø-2sinøcosø/cosø=0
sinø=0
ø=0,π
I have this so far (in bold), but the answer is 0, π, π/3, 5π/3. What am I missing?
2) 2+cosø-2sin2ø=0
I have no idea how to start this.
1) tanø-2cosøtanø=0
tanø-2[cosø(sinø/cosø)]=0
tanø-2sinø=0
sinø/cosø-2sinø=0
sinø-2sinøcosø/cosø=0
sinø=0
ø=0,π
I have this so far (in bold), but the answer is 0, π, π/3, 5π/3. What am I missing?
2) 2+cosø-2sin2ø=0
I have no idea how to start this.
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