vidalmari6p99qfk
vidalmari6p99qfk vidalmari6p99qfk
  • 25-01-2020
  • Mathematics
contestada

For what value of theta does sin 2theta = cos(theta+30)?
Show steps

For what value of theta does sin 2theta costheta30 Show steps class=

Respuesta :

bayosanuade
bayosanuade bayosanuade
  • 25-01-2020

Answer: Ф = 20

Step-by-step explanation:

sin2Ф = cos (Ф+ 30 )

if sinα = cosβ , then α and β are complementary ,that is they add up to be [tex]90^{0}[/tex].

Therefore : 2Ф + Ф + 30 = 90

3Ф + 30 = 90

3Ф         = 90 - 30

3Ф        = 60

Ф          = 20

Answer Link

Otras preguntas

Which example illustrates the distributive property? 4 + 5 = 5 + 4 3(x + 4) = 3x + 12 5 * 1 = 5 4 + (5 + 6) = (4 + 5) + 6
whats the fraction for 20 ft in 45 sec
How do I do multi digit multiplication?
Which component of physical education demonstrates joint mobility and range
Some one please helpppp
what is the answer sheet to are you addicted to your phone upfront quiz?
Chuck bought new tires for the nerd herd company car that are guaranteed for 42,000 miles. If he drives 11.5 miles each way to work five days a week and then an
Tiya has 7/9 of an apple pie. How many pieces, each 1/3 of a pie, can she get from that pie?
michaela wrote her name in block letters. She colored 3/4 of the letters pink. She drew green dots on 1/2 of the pink letters. what fraction of the letters is p
True or false the domain of the function given below is the set of all real numbers greater then 1/2 F(x) = (1/2)x