Establish the identity.tan2x = sec2x - sin2x - cos2x
What will be an ideal response?
tan2 x = sec2 x - 1 = sec2 x - (sin2 x + cos2 x) = sec2 x - sin2 x - cos2 x.
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Perform the operation and give the answer as a fraction in lowest terms.
+ 
A. 
B. 
C. - 
D. - 
Refer to the following recipe to answer the question. Give your answer as a mixed numeral. Grandma's Fork Cookies 1 src="https://sciemce.com/media/4/ppg__10622192216__f1q159g6.jpg" style="vertical-align: -17.0px;" /> tsp vanillaCream sugars and shortening. Beat in remaining ingredients. Add flour to stiffen like regular cookie dough. Roll into balls, then flatten with a fork. Cook until brown.Find the amount of vanilla needed if the recipe is halved.
cup brown sugar 1
cup white sugar 1
cup shortening 1 pinch salt 3 eggs 2
tsp soda 2
tsp cream of tartar 1
A. 1 tsp
B. 1
tsp
C. 3 tsp
D. 
tsp
Solve the inequality. Write the solution set using interval notation and graph it.-3x + 3 ? -4x - 9
A. (-?, -3)
B. (-3, ?)
C. [-12, ?)
D. (-?, -12]
Solve the problem.Let the demand and supply functions be represented by D(p) and S(p), where p is the price in dollars. Find the equilibrium price and equilibrium quantity for the given functions.D(p) = 2240 - 70pS(p) = 210p - 560
A. $10; 1540 B. $13; 1330 C. $13; 1540 D. $20; 840