sin(180+A)cos(90-A)tan(270+A)/cos(90+A)cos(360+A)=-1
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1
Answer:
sin(180
0
+θ)=−sinθ, cos(90
0
+θ)=−sinθ, tan(270
0
−θ)=cotθ,
cot(360
0
−θ)=−cotθ, sin(360
0
−θ)=−sinθ, cos(360
0
+θ)=cosθ,
cosec(−θ)=−cosecθ,sin(270
0
+θ)=−cosθ.
∴ given exp. =
(−sinθ).cosθ(−cosecθ)(−cosθ)
(−sinθ).(−sinθ).cotθ(−cotθ)
=1
may be its help you
Answered by
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Step-by-step explanation:
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