Question

2 tan² 45 +cas² 30 - sin² 60​

Answer 1

Answer:

tan 45° = 1

cos 30° = √3/2

sin 60° = √3/2

∴  2 tan² 45 + cos² 30 - sin² 60

 =  2 × 1 + (√3/2)² - (√3/2)²

 =  2 + 3/4  -  3/4

 =  2

Step-by-step explanation:

Answer 2

Answer is 2

Step-by-step explanation:

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