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MAHAVEER PUBLICATION-TRIGONOMETRIC RATIOS-QUESTION BANK
- Convert (2pi)/3 radian and (11pi)/(12) radian into degrees.
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- Convert 60^o10'20'' into radian.
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- Express 1+ sin theta as a prefect square.
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- Show that sin^2 52^@ + sin^2 38^@=1
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- Show that tan A+cot A=2 cosec 2A
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- If x=a sec theta and y=b tan theta, eliminatetheta.
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- If tan x = b/a, prove that a cos 2x + b sin 2x=a
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- Prove the following Identities (1+sin theta-costheta)/(1+ sintheta+...
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- If A+B=45^(@), then (1+ tan A)(1+ tan B)=
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- If sin(theta+alpha)=n sin(theta-alpha), prove that cot theta=(n-1)/(n+...
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- Find the other five trigonometric ratio if cos theta=- 4/5 , 90^@ lt t...
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- Prove that (sin(B-C))/(cosB cosC)+(sin(C-A))/(cosC cosA)+(sin(A-B))/(c...
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- Prove that: ("tan"(A+B))/("cot"(A-B))=\ (tan^2A-tan^2B)/(1-tan^2Atan^2...
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- If sin(A-B)=1/2 and cos(A+B)=1/2, find A and B.
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- If A+B+C=90^@, Prove that cot A+cot B+cot C=cot A cot B cot C
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- If A,B,C are angles of a triangle, prove that sin((B+C)/2)="cos"A/2
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- Prove that (cos100sin10^0)/(cos10^0-s in 10^0)=tan55^0
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- (cos8^(@)+sin8^(@))/(cos8^(@)-sin8^@)=tan5 3^(@;)
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- Show that cos(60^@-A) cos(30^@-B)-sin(60^@-A)sin(30^@-B)=sin(A+B)
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- Find tha value of tan 4620^@
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