Q.

Statement-I      sin2A=2sinA  is true for A=0° .

Statement-II    2tanθ1+tan2θ=sin2θ

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a

Statement I is False, Statement II is True

b

Statement I is True, Statement II is True

c

Statement I is True, Statement II is False

d

Statement I is False, Statement II is False

answer is A.

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Detailed Solution

STATEMENT_I

If A=0°

2sinA=2sin0°=0

sin2A=sin2(0°)=sin0°=0

sin2A=2sinA

STATEMENT_II

2tanθ1+tan2θ=2tanθsec2θ=2×sinθcosθ×cos2θ=sin2θ

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