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
Answer:
1/12
Step-by-step explanation:
you have 1/6 chance at drawing it once (one yellow marble, six total), so 1/12 to draw it twice.
Answer:
Either of the following square values:
Step-by-step explanation:
The three possible answers correspond to the square of the sides of the triangles via the Pythagorean theorem. And these are:
Answer:
A
Step-by-step explanation:
Whatever you do to get from 9 to 6 is also done to7.74.