Can somebody please provide me the answer of question 3?...(class 10th maths , trigonometry)
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15
Answer:
30°
Step-by-step explanation:
√3*sinβ - cosβ = 0
√3*sinβ = cosβ
√3 = cosβ/sinβ
cotβ = √3
β = 30°
Answered by
4
2( √3/2 . SinB - 1/2. Cos B)= 0
2( cos 30 SinB - sin30 cos B) = 0
sin( B - 30) = 0
B - 30 = 0
B = 30
2( cos 30 SinB - sin30 cos B) = 0
sin( B - 30) = 0
B - 30 = 0
B = 30
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