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यदि A, B, C एक समकोण त्रिभुज के कोण है, ...

यदि A, B, C एक समकोण त्रिभुज के कोण है, तो `(cos^(2) A + cos^(2) B + cos^(2) C)` का मान है : (i) 1 (ii) `2 cos^(2) B` (iii) `2 (cos^(2) B + cos^(2) C)` (iv) 2

A

1

B

`2 cos^(2) B`

C

`2 (cos^(2) B + cos^(2) C)`

D

2

लिखित उत्तर

Verified by Experts

The correct Answer is:
A
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