Use a sum or difference identity to find the exact value.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Multiply and simplify.(9 cot ? - 9 csc ?)(9 cot ? + 9 csc ?)
A. 9(cot2? + csc2?) B. 81 C. -81 D. 81(cot2? + csc2?)
Mathematics
Write four equivalent forms for the rational expression.- 
A. 
= 
= 
= 
B. 
= 
= 
= 
C. 
= 
= 
= 
D. 
= 
= 
= 
Mathematics
Provide an appropriate response.A frustum of a pyramid has a square base that is 25 cm on each side, a square top that is 
on each side, and a height of 18 cm. Find the volume of the frustum.
What will be an ideal response?
Mathematics
Write in terms of the cofunction of a complementary angle.cos 
A. sec 
B. sin 
C. sec 
D. sin 
Mathematics