Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
A N EXCEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-QUESTION BANK
- Prove that cot^2(pi/6)+cosec((5pi)/6)+3tan^2(pi/6)=6
Text Solution
|
- Prove that 2sin^2((3pi)/4)+2cos^2(pi/4)+2sec^2(pi/3)=10
Text Solution
|
- Find the value of sin 75^@
Text Solution
|
- Show that tan 15^@ = 2 - sqrt3
Text Solution
|
- Prove that cos(pi/4-x)cos(pi/4-y)-sin(pi/4-x)sin(pi/4-y)=sin(x+y)
Text Solution
|
- prove that (tan(pi/4+x))/(tan(pi/4-x))=((1+tanx)/(1-tanx))^2
Text Solution
|
- Prove that (cos(pi+x)cos(-x))/(sin(pi-x)cos(pi/2+x)=cot^2x
Text Solution
|
- Prove that cos((3pi)/2+x)cos(2pi+x)[cot((3pi)/2-x)+cot(2pi+x)]=1
Text Solution
|
- Prove that sin(n+1)xsin(n+2)x+cos(n+1)xcos(n+2)x=cosx
Text Solution
|
- Prove that cos((3pi)/4+x)-cos((3pi)/4-x)=-sqrt2 sinx
Text Solution
|
- prove the following sin^2 6x-sin^2 4x =sin2xsin10x
Text Solution
|
- Prove that cos^2 2x-cos^2 6x=sin4x sin8x
Text Solution
|
- prove the following sin2x+2sin4x+sin6x=4cos^2xsin4x
Text Solution
|
- Prove that cot4x(sin5x+sin3x)=cotx(sin5x-sin3x)
Text Solution
|
- Prove that (cos9x —cos5x)/(sin17x-sin3x)=(-sin2x)/(cos10x).
Text Solution
|
- Prove that (sin5x+sin3x)/(cos5x+cos3x)=tan4x
Text Solution
|
- Prove that (sinx-siny)/(cosx+cosy)=tan(x-y)/2
Text Solution
|
- Prove that (sinx+sin3x)/(cosx+cos3x)=tan2x
Text Solution
|
- prove the following (sinx-sin3x)/(sin^2x-cos^2x)=2sinx
Text Solution
|
- prove the following (cos4x+cos3x+cos2x)/(sin4x+sin3x+sin2x)=cot3x
Text Solution
|