Answer:
f(x) = cos(x)
Step-by-step explanation:
tanx cscx = (sinx/cosx) * (1/sinx) = 1/cosx
1/f(x) = 1/cosx
f(x) = cos(x)
Answer:
A ) Substitute the side lengths of a and b in the equation
Step-by-step explanation:
The hypotenuse which is opposite the right angle it always the length of C in the cosine rule.
Answer:
True.
Step-by-step explanation: