Question

sin²30°+cos45°+4tan30°+½sin90°​

Answer 1

= Sin²30° + Cos45° +4tan30° + 1/2 Sin90°

= (1/2)² + 1/√2 + 4×1/√3 + 1/2 × 1

= 1/4 + 1/√2 +4/√3 + 1/2

= 1/4+1/2 +1/√2+4/√3

= 1+2/4 + 1/√2 + 4/√3

= 3/4 + 3.01

= 0.75 +3.01

= 3.76

Answer 2

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