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Question 84
Let x=2sinθx = 2 \sin \thetax=2sinθ , 0≤θ<π20 \leq \theta < \frac { \pi } { 2 }0≤θ<2π ) Simplify the expression. 1x24+x2\frac { 1 } { x ^ { 2 } \sqrt { 4 + x ^ { 2 } } }x24+x21
A) 8tan3θ8 \tan ^ { 3 } \theta8tan3θ B) 18sin3θ\frac { 1 } { 8 \sin ^ { 3 } \theta }8sin3θ1 C) 1sin3θ\frac { 1 } { \sin ^ { 3 } \theta }sin3θ1 D) 14sin3θ\frac { 1 } { 4 \sin ^ { 3 } \theta }4sin3θ1 E) none \text { none } none
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Q79: Q80: Find the exact value. Q81: Find the exact value. Q82: Find the exact value. Q83: Solve the equation in the intervalQ85: Write the product as a sum.Q86: Solve the given equation. Q87: Solve the equation in the intervalQ88: Determine which of the following isQ89: Find the exact value.
Q80: Find the exact value.
Q81: Find the exact value.
Q82: Find the exact value.
Q83: Solve the equation in the interval
Q85: Write the product as a sum.
Q86: Solve the given equation.
Q87: Solve the equation in the interval
Q88: Determine which of the following is
Q89: Find the exact value.
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