Answer:
the lightning,square is 1
the heart is 2
the sun,triangle is 3
the moon,star is 4
Step-by-step explanation:
brainliest plz
Answer:
Let θ = (45 - A)°.
=> 2Tanθ/ 1 + Tan²θ
=> 2Sinθ/Cosθ / 1 + Sin²θ / Cos²θ
=> 2Sinθ/Cosθ/ Cos²θ + Cos²θ / Cos²θ
=> 2Sinθ/Cosθ/ 1 / Cos²θ
=> 2SinθCos²θ/Cosθ
=> 2SinθCosθ
=> Sin2θ
But we assumed θ = (45 - A)°,
=> Sin2(45 - A)
=> Sin(90 - 2A) (∵ Sin(90 - θ) = Cosθ)
=> Cos2A
= R.H.S
Hence proved.
Step-by-step explanation:
the horizontal tangent line mean y'=0
8 - 2x = 0
x = 4
No it is not s function because the 1 in the x values repeats
Hey, personally I don't know but use photomath on your phone.