In the plant kingdom, 'Ferns and Fern allies' belong to which group?
The correct answer is D
If A + B = 450 , then the value of 2(1 + tanA) (1 + tanB) is:
(1+sint)/(4-4sint)-(1-sint)/(4+4sint) =?
2 × Tan 30° / (1 + Tan2 30°) equals:
If (sinθ+cosθ)/(sinθ-cosθ) = 2, then the value of sin4 θ is
if a sin 45 ˚ = b cosec 60 ˚ then find the value of a⁴/b⁴
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