Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
CALCUTTA BOOK HOUSE-TRIGONOMETRIC RATIOS OF COMPLEMENTARY ANGLES -EXERCISE
- If theta=0^(@) then the trigonometrical ratio tangent of complementary...
Text Solution
|
- Find the value of cos1^(@)cos2^(@)cos3^(@).............cos180^(@)
Text Solution
|
- If 0^(@)angletheta angle20^(@), then find the value of theta when sin^...
Text Solution
|
- If sin^(-1)x+sin^(-1)y+sin^(-1)z=(3pi)/(2), then then the value of (x...
Text Solution
|
- If X, Y, Z are the angles of a DeltaXYZ then prove that cos^(2)""(X)/...
Text Solution
|
- If x=acos(90^(@)-theta)andy=bcot(90^(@)-theta), then prove that (a^(2)...
Text Solution
|
- Prove that (1+sec22^(@)+cot68^(@))(1-cosec22^(@)+tan68^(@))=2
Text Solution
|
- If angleA+angleB=90^(@) then prove that 1+(cotA)/(cotB)=cosec^(2)A
Text Solution
|
- If alpha+beta=90^(@), then find the value of cotbeta+cosbeta-(cosbeta)...
Text Solution
|
- Find the value of (5sin75^(@)sin77^(@)+2cos13^(@)cos15^(@))/(cos15^(@)...
Text Solution
|
- If alpha+beta=90^(@) then prove that cosec^(2)alpha+cosec^(2)beta=cose...
Text Solution
|
- Prove that sec^(2)11^(@)-(1)/(tan^(2)79^(@))=1.
Text Solution
|
- If A+B=90^(@) then prove that tanA+tanB=(cosec^(2)A)/(sqrt(cosec^(2)A-...
Text Solution
|
- Prove that tan4^(@)tan43^(@)tan47^(@)tan86^(@)=1.
Text Solution
|
- If tanthetaxxtan3theta=1, then find the value of tan2theta.
Text Solution
|
- If cos5theta=0, then find the value of costheta.
Text Solution
|
- If 0ltxlt(pi)/(2) then prove that cos(sinx)gtsin(cosx)
Text Solution
|
- Prove that (1)/(2sin10^(@))-2sin70^(@)=1.
Text Solution
|
- Prove that tan70^(@)=2tan50^(@)+tan20^(@).
Text Solution
|
- Prove that cos35^(@)42'cos24^(@)18'-cos54^(@)18'cos65^(@)42'=(1)/(2)
Text Solution
|