plss answer urgent will be brainlist
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hope it will help u friend
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Answer:
Step-by-step explanation:
[3×tan 25°tan 40°tan 50°tan65°-1/2 tan^2 60°]÷4(cos^2 29°+cos^2 61°)
=(3×tan 25° tan 65° tan 40° tan 50° - 1/2 tan^2 60°)÷4(cos^2 29° + sin^2 29°)
=[3×1×1-1/2×(root 3)^2]÷4×1
=[3-1/2×3]÷4
=3-3/2÷4
=3/2÷4
=3/8
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