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A N EXCEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-QUESTION BANK
- Find the value of the other five trignometric functions if cosx=(-1/2)...
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- If sinx =3/5 and x lies in the 2nd quadrant find the values of the oth...
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- If cotx=3/4 and x lies in the 3rd quadrant find the values of the othe...
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- If secx=13/5 and x lies in fourth quadrant then find the values of the...
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- If tanx=-5/12 and x lies in second quadrant then find the values of th...
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- Find the value of sin765^@
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- Find the value of cosec(-1410^@)
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- Find the value of tan((19pi)/3)
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- Find the value of sin((-11pi)/3)
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- Find the value of cot((-15pi)/4)
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- If sinalpha=15/17 , cosbeta=12/13 and alpha and beta are in the first ...
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- If tanA=a/(a+1) and tanB=1/(2a+1).prove that A+B=45^@ ; ane(-1/2) and ...
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- Show that sin(45^@+A)cos(45^@-B)+cos(45^@+A)cos(45^@-B)=cos(A-B)
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- If A+B=pi/4 show that (1+tanA)(1+tanB)=2
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- Prove that tan70^@=tan20^@+2tan50^@
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- Prove that tan225^@ cot405^@+tan675^@ cot315^@=2
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- Prove that (sinA+sin3A+Sin5A)/(cosA+cos3A+cos5A)=tan3A
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- Prove that (cosA-cosB)^2+(sinA-sinB)^2=4sin^2((A-B)/2)
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- Prove that (sin(3A)/sinA)+(cos(3A)/cosA)=4cos2A
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- Prove that (tan5theta+tan3theta)/(tan5theta-tan3theta)=4cos2thetacos4t...
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