Re-Take Pop Flashcard #14 (Analytic Trig)

Front

Use a sum or difference formula to find an exact value of sin 105º

Back

Front

Back

C

Front

Back

No solution

Front

Which of these is equivalent to 2cos²x − 3cosx = 0 ? Options: -cos²x = 0, cosx(2cosx + 3) = 0, cosx(2cosx − 3) = 0, cos x = ⅔

Back

cosx(2cosx − 3) = 0

Front

sinx(cotx+tanx)

Back

secx

Front

What is the correct identity for the expression? Options: csc² x, sec² x, cot² x, tan² x

Back

csc² x

Front

Back

1