1.

If sinX +sinY +sinZ =3 , then what is the value of cosX + cosY +cosZ ?

Answer»

Final Answer = 0

Understanding:
1) Maximumum Value of sin a = 1
2) Trigonometric Identities

STEP :

1) Max(sin a) = 1
=> sinA =sinB=sinC =1

2) COS A = cos B = cos C = 0

Hope you understand my answer :



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