carolkhadka carolkhadka

17-02-2022
Mathematics

contestada

Find the value of x from the following trigonometrical equation :
sin²30° + cos²60° + x.tan²60° = cot²30°

Respuesta :

samanthashuler samanthashuler

17-02-2022

Answer:

4 cos² 60° + 4 sin² 45° -sin² 30° = 4(1/2)2

Step-by-step explanation:

2 + 4 (1/√2)2 - (√3/2)2 = 1 + 2 - 3/4 = 3 - 3/4 = 9/4.

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