Verify (1+sin +cos )^2 = 2(1+sin )(1+cos )

answer: i think one of the answer is $150 and $300?

step-by-step explanation:

  answer:

  write 548 as 500 + 40 + 8. multiply each addend by 5. then add the three products to get 2,740.

question 1: step-by-step explanation:

1/4 of 84 = 84÷4= 21

  or  

sin y = 7/q

7 is the opposite side length, q is the hypotenuse

tan y = 7/r

7 is the opposite side length, r is the adjacent side length

using sohcahtoa ^^^^

cos y = adjacent/hypotenuse

cos y = r/q