Recommended Questions
- If sinx+sin^2x=1 then write the value of cos^8x+2cos^6x+cos^4x
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- (" sin 8x cos x- sin 6x cos 3x")/(" cos 2x cos x - sin 4x sin 3x")...
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- सिद्ध कीजिए: (i) sin ^(2) 6x -sin ^(2) 4x =sin 2x sin 1 0x (ii) c...
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- If sinx+sin^2x=1. then evaluate : (i) cos^8x+2cos^6x+cos^4x
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- Show that (sin 8x cos x - sin 6x cos 3x)/(cos 2x cos x - sin 3x sin 4x...
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- sinx + sin^2x = 1 হলে ( cos^8x + 2cos^6x + cos^4x ) -এর মান হবে—
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- sinx+sin^2x=1 হলে (cos^12x+3cos^10x+3cos^8x+cos^6x)- এর মান কত হবে ?
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- cos ^(2) 2x -cos ^(2) 6x = sin 4x sin 8x
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- cos ^(2) 2x -cos ^(2) 6x = sin 4x sin 8x
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