Answer: 33%
Step-by-step explanation: 5/15 simplifies to 1/3 which is 33%
The third expression is wrong
Answer:
translate this to English and I'll help!(:
Answer:
9
Step-by-step explanation:
theta is in the fourth quadrant where the cosine is positive.
the third side in the triangle = sqrt (4 - 2) = sqrt2
So sin theta = -sqrt2/2 = Second choice (negative because sine is negative in 4th quadrant)
tan theta = - sqrt2 / sqrt2 = -1