Question

find the value of cos²60°+sin²30°+tan²60°÷2

Answer 1

Here is the solution -:

{ (1/2)^2 + (1/2)^2 + (√3 )^2 } /2

= ( 1/4 + 1/4 + 3 ) /2

= (14/4) /2

= 14/4 × 1/2

= 7/4

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