Find the exact value by using a half-angle identity.tan 

A. -1 - 
B. 1 - 
C. 1 + 
D. -1 + 


Answer: B

Mathematics

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Find the indicated trigonometric function of ?.Find tan A and cot A.

A. tan A = ; cot A = 
B. tan A = ; cot A = 
C. tan A = ; cot A = 
D. tan A = ; cot A = 

Mathematics

Write the logarithmic equation as an exponential equation.log B = C

A. eB = C B. 10C = B C. eC = B D. 10B = C

Mathematics

Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(5x + 2)3

A. 25x2 + 20x + 4 B. 125x3 + 150x2 + 150x + 8 C. 125x3 + 150x2 + 60x + 8 D. 25x6 + 10x3 + 64

Mathematics

Provide an appropriate response.Give four examples of using percent of increase or percent of decrease in your own activities.

What will be an ideal response?

Mathematics