Find Sine.
Find Cosine.
Solve for x (or another letter).
100

Find sin E. Write your answer as a fraction and a decimal rounded to four places

sintheta=(opp)/(hyp)

sinE=27/45=3/5=0.6000

100

Find cos E. Write each answer as a fraction and as a decimal rounded to four places.

costheta=(adj)/(hyp)

cosE=36/45=4/5=0.8000

100

Find x. Round to the nearest tenth.

sin theta=(opp)/(hyp)

sin 32^{\circ}=x/18

x=18sin32^{\circ}

x~~9.5

200

Find sin D. Write each answer as a fraction and as a decimal rounded to four places.

sintheta=(opp)/(hyp)

sin D=36/45=4/5=0.8000



200

Find cos D. Write each answer as a fraction and as a decimal rounded to four places.

costheta=(adj)/(hyp)

cosD=27/45=3/5=0.6000

200

Find y. Round your answer to the nearest tenth.

costheta=(adj)/(hyp)

cos 32^{\circ}=y/18

y=18cos32^{\circ}

y~~15.3

300


Find sin R.

sin theta=(opp)/(hyp)

sin R=16/65=0.2462

300

Find cos R.

cos theta=(adj)/(hyp)

cos R=63/65=0.9692

300

Find q. Round your answer to the nearest tenth.

costheta=(adj)/(hyp)

cos 65^{\circ}=q/34

q=34cos 65^{\circ}

q~~14.9


400

Find sin S.

sin theta=(opp)/(hyp)

sin S=63/65=0.9692

400

Find cos S.

cos theta=(adj)/(hyp)

cos S=16/65=0.2462

400

Find p. Round your answer to the nearest tenth.

sintheta=(opp)/(hyp)

sin64^{\circ}=p/34

p=34sin64^{\circ}

p~~30.6

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