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Find $\sin D$ , $\sin E$ , $\cos D$ , and $\cos E$ . Write each answer as a fraction in simplest form.

A right-angled triangle D F E, angle F marked right angle, hypotenuse D E marked 15, shortest side D F labeled 9 and second side F E labeled 12.

Find Sin D Sin E Cos D And Cos E Write Each Answer As A Fraction In Simplest Form A Rightangled Triangle D F E Angle F Marked Right Angle Hypotenuse D E Marked class=

Sagot :

abidemiokin

The value of sinD, sin E and cos D are 4/5, 3/5 and 3/5 respectively

SOH CAH TOA identity

According to SOH CAH TOA identity;

  • sin theta = opp/hyp
  • cos theta = adj/hyp
  • tan theta = opp/adj

From the figure

Hypotenuse = 15

For sinm<D

sin D = EF/DE
sin D = 12/15

sinD = 4/5

For the trig function sin E

sin E = FD/DE
Sin E = 9/15

sinE = 3/5

For the trig function cos D:

cos D = FD/DE
cos D = 9/15

cos D = 3/5

Hence the value of sinD, sin E and cos D are 4/5, 3/5 and 3/5 respectively

Learn more on trigonomtry here: https://brainly.com/question/24349828

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