Well according to the problem I'm not sure about it but I think it's 1515
Answer:
c2 = a2 + b2
plug in the values, and you get 42 cm.
Answer:
-1.
Step-by-step explanation:
(tanx- secx) (tanx+ secx).
= tan^2 x + tanx sec x- tanx sec x - sec^2x
= tan^2 x - sec^2 x.
But sec^2 x = 1 + tan^2 x
so tan^2 x - sec^2 x = -1
Answer:
B in the photo
Step-by-step explanation:
another way to write the problem:
square root is also taking the 1/2 power:

since they are raised to the same power:

Answer:
Step-by-step explanation: