sinx+sin2x=2find,cos4x+cos2x
vishwa sharma , 14 Years ago
Grade 11
Trigonometry> maths trigo
1 Answers
Jayesh Arun Kadam
Last Activity: 14 Years ago
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sinx+sin2x=2 |
is only possible when x is element of (4n+1)∏/2 (n E R)
At all this points cosx =0
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cos4x+cos2x=0 |
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