Sintheata = 1/2; sin fyi=1/3 find value of sin( theata+ fyi)
Lavish Yadav , 6 Years ago
Grade 11
Trigonometry> Sintheata = 1/2; sin fyi=1/3 find value o...
1 Answers
Avinash
Last Activity: 6 Years ago
Given sintheta=1/2 So costheta=√3/2And given sinfyi=1/3. So cosfyi=2√2/3So sin(theta+fyi)=sintheta cosfyi+ costheta sinfyiSo sin(theta+fyi)=1/2×2√2/3+√3/2×1/3 =√2/3+1/2√3 =2√2+√3//6
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