sin 6theta-sin 2theta
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Answer:sin6θ+sin2θ=0
2sin
2
6θ+2θ
cos
2
6θ−2θ
=0
⇒2sin4θcos2θ=0
⇒sin4θcos2θ=0
sin4θ=0
sin4θ=sinnπ
4θ=nπ
θ=nπ/4
cos2θ=0
cos2θ=cosθ
2θ=2nπ±π/2
θ=
2
2nπ
±π/4
=nπ±
4
π
Step-by-step explanation:
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