sinx+sin2x=2
find,cos4x+cos2x
sinx+sin2x=2
find,cos4x+cos2x
vishwa sharma , 15 Years ago
Grade 11
Trigonometry> maths trigo...
1 AnswersJayesh Arun Kadam
|
sinx+sin2x=2 |
is only possible when x is element of (4n+1)β/2 (n E R)
At all this points cosx =0
|
cos4x+cos2x=0 |
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