Identify the equation as either an identity or not.tan2x = sec2x - sin2x - cos2x
A. Identity
B. Not an identity
Answer: A
Mathematics
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Determine the signs of the given trigonometric functions of an angle in standard position with the given measure.sec (-59°) and sin (-59°)
A. positive and positive B. negative and positive C. positive and negative D. negative and negative
Mathematics
Find the zero of f.f(x) = 
x
A. -3 B. 3 C. 0 D. Does not exist
Mathematics
Find the product and simplify. Assume all variables represent nonnegative real numbers.(
- 7)(
- 7)
A. 58
B. 52 - 14
C. 52 - 14
D. 58 - 14
Mathematics
Provide an appropriate response.The fact that 
= 7 and 
= 8 demonstrates a way to check division. Perform the following division, and then use the above property to check it.
What will be an ideal response?
Mathematics