Questions asked
Yujie Wang
Numerade educator
Suppose that ABC is a right triangle with ( angle C=90^{circ} ). If ( mathrm{AC}=12 ) and ( mathrm{BC}=mathrm{n} ), Find the quantities. [ sec B, csc B, cot B ]
Rewrite in terms of sine and cosine, and simplify the expression: [ frac{cos eta-cot eta cos eta-cos eta sin eta}{cos eta cot eta} ]
Andrew Eddins
Rewrite in terms of sine and cosine, and simplify the expression: [ sec A csc A- an A-cot A ]
Factor the expression. [ an ^{2} eta+6 an eta-7 ]
Evaluate the expressions using reference angles. csc(-840°) cot(-840°)
Let P(x,y) denote the point where the terminal side of angle ? (in standard position) meets the unit circle. Use the information to evaluate the six trigonometric functions of ?. P is in Quadrant IV and y = -?3/4.
Write in exponential form. [ ln sqrt[6]{e}=frac{1}{6} ]
Aparna Shakti
The half-life of radium-226 is 1620 years. How much of an initial 2 grams sample remains after 500 years? Please round the answer to two decimal places.
You invest $200 at 7% compounded quarterly. How long will it take for your balance to triple? (Round your answer up to the next quarter.)
Find all the real-number roots of the equation. Give an exact expression for the root and also(where appropriate) a calculator approximation rounded to three decimal places. log? x + log?(x + 9) = 0
