Question

please let me know the answer with steps

Answer 1

∆= theta
let ∆ = 90° as it satisfies the condition.....
as sin90= 1
and cosec90= 1
......further substituting the value of ∆ in the equation
2 tan 45 + sin 30
= 2 (1) + 1/2
2+1/2
= 5/2
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