Prove the identity.cot ?(cot ? + tan ?) = csc2?
What will be an ideal response?
Answers may vary. One possible solution is:
cot ?(cot ? + tan ?) = cot2? + cot ? ? tan ? = cot2 ? + 1 = csc2?
Mathematics
You might also like to view...
Solve the problem.An oil spill of 3971 cubic centimeters is spilled onto a pond and spreads out in a circular shape having a diameter of 766 centimeters. Approximate the thickness of the oil film to four decimal places.
A. 0.0086 cm B. 3.3003 cm C. 116.0506 cm D. 1.6501 cm
Mathematics
Simplify the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Simplify the complex rational expression.
A. - 
B. - 
C. - 27
D. - 
Mathematics
Solve.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 13 sec B. 26 sec C. 6 sec D. 19.5 sec
Mathematics