Mathematics, 03.11.2020 06:40 Roshaan8039

Suppose sin a = 12/13 and sin b= 5/11. FInd cos(a+b)

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 18:30

Which representation has a constant of variation of -2.5

Answers: 1

Answer

Mathematics, 21.06.2019 20:10

Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.

Answers: 3

Answer

Mathematics, 21.06.2019 22:20

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

Answers: 1

Answer

Mathematics, 21.06.2019 23:30

Given: ad¯¯¯¯¯ is an altitude. prove: ab2+ac2=cb2 right triangle a b c with right angle a. point d lies on side b c and segment a d is drawn. angle a d c is a right angle. drag and drop a reason into each box to correctly complete the two-column proof. statement reason ad¯¯¯¯¯ is an altitude, and ∠bac is a right angle. given ∠adb and ∠adc are right angles. definition of altitude ∠bac≅∠bda ? ∠bac≅∠adc ? ∠b≅∠b ? ∠c≅∠c reflexive property of congruence △abc∼△dba ? △abc∼△dac aa similarity postulate abbd=cbab ? ab2=(cb)(bd) cross multiply and simplify. acdc=cbac polygon similarity postulate ac2=(cb)(dc) cross multiply and simplify. ab2+ac2=ab2+(cb)(dc) addition property of equality ab2+ac2=(cb)(bd)+(cb)(dc) substitution property of equality ab2+ac2=(cb)(bd+dc) ? bd+dc=cb segment addition postulate ab2+ac2=cb2 substitution property of equality

Answers: 1

Answer

You know the right answer?

Suppose sin a = 12/13 and sin b= 5/11. FInd cos(a+b)...

Questions