Question

2tan²30° / 1- tan²30° + sec²45° - cot² 45° = sec 60°​

Answer 1

Step-by-step explanation:

answer is given in the photo

Answer 2

Step-by-step explanation:

LHS(tan30°=1/√3) (sec45°=1/√2)(cot45°=1)

2(1/√3)^2 / 1-(1/√3)^2 + (√2)^2 - (1)^2

2(1/3) / 1-(1/3) + (2) - (1)

(2/3) / (2/3) + 1

1+1

2

RHS

sec60°=2

[LHS = RHS]

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