Prove the identity.csc2x sec2x = sec2x + csc2x
What will be an ideal response?
Answers may vary. One possible solution is:
csc2x sec2x = 
= 
= 
+ 
= sec2x + csc2x.
You might also like to view...
Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where c is cost and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 20 watches B. 36 watches C. 73 watches D. 39 watches
Evaluate the derivative at the given value of x.y = -3x2 + 5x; x = 7
A. -22 B. -147 C. -7 D. -37
The pie chart shown below represents the grades of 260 students in Professor Blackbeard's Stat 101 class.
A good estimate for the number of degrees in the 'B' slice of the pie is
A. 13°. B. 27°. C. 104°. D. 97°. E. none of these
Use the parallelogram rule to find the magnitude of the resultant force for the two forces shown in the figure. Round to one decimal place.
A. 21,459.5 lb B. 146.5 lb C. 132.7 lb D. 180.3 lb