Question

find theta if sin theta equals to cos 60 degrees

Answer 1

Answer:

Step-by-step explanation:

sin theta=cos(60+theta)

cos(90- theta)=cos(60+theta). (cos gets cancelled)

>90-theta=60+theta

90-60=2theta

30=2theta

>theta=30/2=15

Step-by-step explanation:

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Answer 2

Answer:

30

Step-by-step explanation:

opp side/hyp=adj side/kyp

let opp side be x

since,cos 60°=1/2

hyp=2

then,x/2=1/2

therefore,x=1