Recommended Questions
- " 4."cos^(3)x
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- Prove that: cos((3pi)/4+x)-cos((3pi)/4-x)=-sqrt(2)sinx
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- Prove that: cos((3pi)/4+x)-cos((3pi)/4-x\ )=sqrt(2)sinx
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- Prove that: cos((3pi)/4+x)-cos((3pi)/4-x)=-sqrt(2)sinx
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- cos^3(x-((2pi)/3))+cos^3x+cos^3(x+((2pi)/3)))=3/4 cos3x
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- int(0)^(11)cos x-cos^(2)x+cos^(3)x-cos^(4)x+...oo dx
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- If sinx = 3/4 , then cos x = ?
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- यदि x =30^(@) हो, तो सिद्ध करो कि , cos 3x = 4 cos^(3)x- 3 cos x
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- int(2 sin x+3 cos x+4)/(3 sin x+4 cos x+5)dx.
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