Ihave a problem from precalculus cosx/1-tanx +sinx/1-cosx =cosx+sinx prove the identity

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays