Question

cos theta =15/17 , 270< theta<360 ,find
remaining trignometric ratios​

Answer 1

Answer:

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Step-by-step explanation:

cosine is the side adjacent to the angle divided by the hypotenuse.

One side is 1 , the hypotenuse is 3. We use these trig functions when we have a right triangle. We can use the Pythagorean theorem to find the missing side.

b = √(c2 - a2)

b = √(32 - 12)

b = √(9 - 1)

b = √8

b = 2√2

Since cosine is the only function that is positive in this range of angles,

sin = - b / c

sin = (- 2√2) / 3

sin = (-2/3)√2

tan = - b / 1

tan = -1 / (2√2)

tan = -√(2) / 2

Use these to find csc, sec, and cot