simplify sin theta (sin(90-theta))-cos theta. cos(90-theta) steps pls
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0
Answer:0
Step-by-step explanation: sin theta (sin(90-theta))-cos theta. cos(90-theta) = sin theta x cos theta - cos theta x sin theta [∵sin(90-theta)=cos theta and cos (90-theta)]=0
Answered by
1
Answer:
1
Step-by-step explanation:
Given,
sinθcos(90
o
−θ)+cosθsin(90
o
−θ)
=sinθsinθ+cosθcosθ
=sin
2
θ+cos
2
θ
=1
1 is the answer
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