IF COS A +COS B+ COS C =3THEN FIND THE VALUSE FOR SIN A +SIN B +SIN C
IF COS A +COS B+ COS C =3
THEN FIND THE VALUSE FOR SIN A +SIN B +SIN C
Arbind Dubey , 8 Years ago
Grade 12th pass
Trigonometry> IF COS A +COS B+ COS C =3 THEN FIND THE V...
1 Answers
Arun
As we know maximum Valure of cos
is 1.
hence cosA + cosB +cosC will be 3, if cosA, cosB, cosC individually are 1
and sin is always 0 where cos attains its minimum and maximum.
hence sinA, sinB, sinC will be 0 indvidually.
thus sinA+ sinB+ sinC = 0
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