Asked by lesedi

Simplify Tan(180+theter)*cos(90+theter)+sin(360-theter)*tan(180-theter) thanks
Answered by Steve
that's <u>theta</u>, not <u>theter</u>.

tan(180+θ)*cos(90+θ) + sin(360-θ)*tan(180-θ)
= (tanθ)(-sinθ) + (-sinθ)(-tanθ)
= 0
Answered by lesedi
It's worth 5 marks how did u get =0
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