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<b>Statement I:</b> If in a triangle ABC...

Statement I: If in a triangle `ABC, sin ^(2) A+sin ^(2)B+sin ^(2)C=2,` then one of the angles must be `90^(@).`
Statement II: In any triangle `ABC` `cos 2A+ cos 2B+cos 2C=-1-4 cos A cos B cos C`

A

(a) Both Statement I and Statement II are correct and Statement II is the correct explanation of Statement I

B

(b) Both Statement I and Statement II are correct but Statement II is not the correct explanation of Statement I

C

(c) Statement I is correct but Statement II is incorrect

D

(d) Statement II is correct but Statement I is incorrect

Text Solution

Verified by Experts

The correct Answer is:
A
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