Question 16 (Essay Worth 7 points)

Verify the identity.

tan (x + π/2) = -cot x

Please answer correctly

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*