Question

2cos²60+sin²30-tan²45का मान ज्ञात कीजिए
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Answer 1

Step-by-step explanation:

2Cos²60° +Sin²30 -tan² 45

2×(1/2)² +(1/2)² -(1)²

2×1/4 + 1/4 - 1

2/4 + 1/4 -1

3/4 -1

-1/4

Answer 2

Answer:

Step-by-step explanation:

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

2/4 + 1/4 - 1

2/4+1/4-4

(2+1-4)/4

-1/4