The angles of the triangles ABC and DEF are given as follows : A = 90∘, B = 30∘ D = 90∘ and E = 30∘. If the side BC is twice the side EF, which of the following statement is true?
A
sinB=2sinE
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B
sinE=2sinB
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C
sinB=sinE
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D
sinB=2sinA
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Solution
The correct option is CsinB=sinE Given: ∠A=90∘, ∠B=30∘ ∠D=90∘ and ∠E=30∘ Now, sinB=sin30=12 sinE=sin30=12 Thus, sinB=sinE