Find the exact values of the three trigonometric functions sine, cosine, tangent of the real number t.
?
?
?
A. ?
?
B. ?
?
C.
?
D. ?
?
E. ?
?
Answer: E
Mathematics
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Perform the indicated operation.(-5x7 + 2x9 + 9) + (-7x8 + 6) - (2x8 + 6x9 - 7x7)
A. 8x9 - 5x8 - 12x7 + 15 B. -4x9 - 9x8 + 2x7 + 15 C. 8x9 - 5x8 - 12x7 + 3 D. -4x9 - 5x8 - 12x7 + 3
Mathematics
Provide an appropriate response.Which one is correct, and which one is wrong? Give reasons for your answers.(a) src="https://sciemce.com/media/4/ppg__tttt0611191208__f1q35g7.jpg" style="vertical-align: -21.0px;" /> = 
= 
= - 
(b) 
= 0
What will be an ideal response?
Mathematics
Collect like terms.
x + 
y - 
x - 
y + 2
A. 
x + 
y + 2
B. 
x + 
y + 2
C. 
x + 
y + 2
D. 
x + 
y + 2
Mathematics
Classify each angle as acute, right, obtuse, or straight.
A. Right B. Straight C. Obtuse D. Acute
Mathematics