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KUMAR PRAKASHAN-TRIGONOMETRIC FUNCTIONS -QUESTION OF MODULE (KNOWLEDGE TEST)
- Convert 25^(@) in radian measure.
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- The length of a chord of a circle with diameter 40cm is 20cm. Find the...
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- Find the value of sin""(3pi)/(4).
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- sectheta=(17)/(2)andtheta is in IV^(th) quadrant. Find the value of o...
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- Find the value of cos15^(@).
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- sin(n+1)x.cosnx-cos(n+1)x.sinnx= …………
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- Find the general solution of cosx=(1)/(2).
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- Find the solution of cos4x+cos6x=0.
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- a=18,b=24,c=30. Find the value of cosA.
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- Prove that a(bcosC-c cosB)=b^(2)-c^(2).
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- Prove that tan4x=(4tanx(1-tan^(2)x))/(1-6tan^(2)x+tan^(4)x)
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- For DeltaABC, prove that, asin(B-C)+bsin(C-A)+csin(A-B)=0.
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- For DeltaABC, prove that, (a+b)/(c)=(cos((A-B)/(2)))/(sin""(C)/(2)).
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- For DeltaABC, prove that, (cosA)/(a)+(cosB)/(b)+(cosC)/(c)=(a^(2)+b^...
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- If tanx=-(3)/(4)and(pi)/(2)ltxltpi then find the value of sin""(x)/(2)...
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