Answer:
B
Step-by-step explanation:
Using the trig. identity
cos x =
Given
secx = - , then
cos x = - × = - = - , thus
x = (- ) = → B
I think p will 2 is this 8th grade math ?
Answer:
x ∈ {-2, 1, 4}
Step-by-step explanation:
The graph shows y = 0 when x = -2 or 1 or 4. Hence these values of x are the zeros of the function.