If 8tanA=15 , find sinA-cosA...

If `8tanA=15` , find `sinA-cosA`

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RD SHARMA ENGLISH-TRIGONOMETRIC RATIOS-All Questions

If tantheta=(24)/7 , find sintheta+costheta.
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If sintheta=a/b , find sectheta+tantheta in terms of a and b .
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If 8tanA=15 , find sinA-cosA
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If 3costheta-4sintheta=2costheta+sintheta , find tantheta .
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If tantheta=(20)/(21) , show that (1-sintheta+costheta)/(1+sintheta...
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If cos e c\ A=2 , find the value of 1/(tanA)+(sinA)/(1+cosA)
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If /A and /B are acute angles such that cos A=cos B . then show tha...
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If angleA and angleP are acute angle such that tanA=tanP, then show th...
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In a /\A B C , right angled at A , if tanC=sqrt(3) , find the valu...
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State whether the following are true or false. Justify your answer. ...
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State whether the following are true or false. Justify your answer. ...
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Evaluate each of the following in the simplest form: sin60ocos30o+co...
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Evaluate the following expressions: (i) 2sin^2 30^otan60^o-3cos^2 60...
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Evaluate the following expressions: (i) 4cot^2 45o-sec^2 60^o + sin^...
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Evaluate each of the following: (sin^2 45^o + cos^2 45^o)/(tan^2 60^...
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Evaluate each of the following: (sin60^o)/(cos^2 45^o)-cot30^o + 15c...
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Show that: 2(cos^2 45°+tan^2 60°)-6(sin^2 45°-tan^2 30°)=6 (ii) 2(...
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Solve each of the following equations when 0^0 < theta<90^0 ...
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Solve each of the following equations when 0 < theta<90 (i) 2sin^2t...
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Find the value of theta in each of the following: (i)2sin2theta=sqrt(3...
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