From the trigonometry:
tan θ = (sin θ) / (cos θ)
cot θ = (cos θ) / (sin θ)
∴ tan θ + cot θ = (sin θ) / (cos θ) + (cos θ) / (sin θ)
= [ sin² θ + cos² θ]/( sin θ cos θ) = 1 /( sin θ cos θ )
note : sin² θ + cos² θ = 1
<span>square root of 25 is the correct answer</span>
This should be the equation:
n + 4/3n + 5/3n = 90
Answer:
f(x) = 2.25x + 5 is the answer
Step-by-step explanation: