Question

Without using tables find the value of sin²30 ° cos²45° + 4 tan²30° + 1/2sin90° - 2cos90° + 1/24​

Answer 1

Step-by-step explanation:

evaluate sin²30° cos²45°+4 tan²30°+1/2 sin²90°-2 cos²90°+1/24

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Answer 2

Answer:

2

Step-by-step explanation:

sin²30°.cos²45°+4tan²30°+1/2.sin90°-2cos90°+1/24

= (1/2)²x(1/√2)²+4x(1/√3)²+1/2x1 - 2x0+1/24

= 1/4x1/2 + 4x1/3 + 1/2 - 0 + 1/24

= 1/8 +4/3 + 1/2 + 1/24

= 48/24

= 2