Recommended Questions
- Show that |[sin 10^0,-cos 10^0],[ sin 80^0,cos 80^0]|=1
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- (cos 10^0+sin 10^0)/(cos 10^0-sin 10^0) is equal to tan55^0 b. cos ...
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- If cos(alpha-beta)+1=0, show that , cos alpha+cos beta=0 and sinalpha+...
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- 0 <theta <pi/2, 2sin theta = sqrt3 cos 10^@ + sin 10^@ => the...
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- Show that |{:("sin"10^(@), -"cos"10^(@)), ("sin"80^(@), "cos"80^(@)):}...
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- sin 20^(0) sin 40^(0) sin 60^(0) sin 80^(0) का मान (1)/(16) होता है।
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- सारणिक |(cos 80^(@)-cos 10^(@)),(sin 80^(@)sin 10^(@))| का मान हैं-
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- Prove that sin 50^(@)-sin 70^(@)+cos 80^(@)=0.
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- Evaluate the following: cos 80^0cos 20^0+ sin 80^0 sin 20^0
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