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SRISIRI PUBLICATION-TRIGONOMETRIC RATIONS, TRANSFORMATIONS-VSAQ
- Find the minimum and maximum values of 3 cos x + 4 sin x
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- Find the maximum and minimum value of f(x) = 5sinx + 12cos x -13.
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- Find the range of 13cosx+3sqrt3 sin x-4
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- Find the extreme values of cos 2x+cos^2x
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- Find the extreme values of 3sin^(2)x+5cos^(2)x.
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- In Delta Prove that tan A+tan B+ tan C =tan A tan B tan C.
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- If A+B+C= pi//2 then show that cot A + cot B+ cot C=cot A cot B cot C
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- If A+B=45^(@), then prove that (i) (1+ tan A) (1+ tan B) =2 (ii) (cot...
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- If A is not an integral multiple of (pi)/(2), prove that (i) tan A +...
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- Prove that sin ^(2) theta + sin ^(2) (theta+(pi)/(3))+ sin ^(2) (theta...
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- If tan alpha - tan beta =m and cot alpha - cot beta =n, then prove tha...
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- If (sin(alpha+beta))/(sin(alpha-beta)) = (a+b)/(a-b), then prove that ...
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- Prove that (1- sec 8 alpha )/(1- sec 4 alpha )=(tan 8 alpha )/( tan 2 ...
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- If tan theta . =(b)/(a) then prove that acos 2 theta +b sin 2 theta =a
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- Show that sin A= (sin 3A) /(1+2 cos 2A). Hence find the value of sin 1...
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- Show that sin A sin ((pi)/(3)+A) sin ((pi)/(3) -A)=(1)/(4) sin 3A
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- Prove that cos ^(2). (pi)/(8) + cos ^(2). (3pi)/(8)+ cos ^(2). (5 pi )...
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- Show that 1/(sin10^@)-sqrt3/(cos10^@)=4
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- Prove that (1)/(cos 290^(@))+(1)/(sqrt3 sin 250^(@) )=(4)/(sqrt3)
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- Prove that tan 9 ^(@) - tan 27 ^(@)- cot 27 ^(@) + cot 9^(@)=4
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