Question

2 tan² 45° +cos² 30°-sin²60° का मान ज्ञात कीजिए ?
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Answer 1

Answer:

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Answer 2

Answer:

2

Step-by-step explanation:

tan 45° = 1 ,

cos 30° = √3/2 ,

sin 60° = √3/2

2 tan² 45° + cos² 30° - sin² 60° =

2×1² + (√3/2)² - (√3/2)² = 2