e for x if: tan (180°-6). tan (90°+0)+x cos (90°+0). cos (90°-O)=sin 0. sin (180°-0)
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Answer:
Step-by-step explanation:
Given xcot(90+θ)+tan(90+θ)sinθ+csc(90+θ)=0
x=−tan(90+θ)(tan(90+θ)sinθ+csc(90+θ))
x=cotθ(−cosθ+secθ)
x=cotθ(sin
2
θ/cosθ)=sinθ
Hence x=sinθ
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