NDA Math Trigonometric Ratios of Angles and Equations

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Question : 39 of 100

Marks: +1, -0

In triangle ABC, if ‌‌

sin2A+sin2B+sin2C

cos2A+cos2B+cos2C

=2
Then the triangle is

[NDA II 2017]

Right-angled
Equilateral
Isosceles
Obtuse-angled

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