Home
Class 11
MATHS
If A=30^(@) and B=60^(@) verify that: ...

If A=`30^(@)` and `B=60^(@)` verify that:
sin (A+B)= sin A cos B +cosA sin B.

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    MODERN PUBLICATION|Exercise Exercise 3(c) Long Answer type Question-II|2 Videos

  • TRIGONOMETRY

    MODERN PUBLICATION|Exercise Exercise 3(d) Short Answer type Question|9 Videos

  • TRIGONOMETRY

    MODERN PUBLICATION|Exercise Exercise 3(c) Short Answer type Question|7 Videos

  • STRAIGHT LINES

    MODERN PUBLICATION|Exercise Chapter test|12 Videos

Similar Questions

Explore conceptually related problems

If A = 30^(@) and B = 60^(@) , verify that sin (A + B) = sin A cos B + cos A sin B.

If A = 30^(@) and B = 60^(@) , verify that cos (A + B) = cos A cos B - sin A sin B.

Taking A=60^(@) and B=30^(@) , verify that : sin(A-B)=sinAcosB-cosAsinB .

If A=60^(@) and B=30^(@) , verify that : (i)sin(A+B)=sinAcosB+cosAsinB (ii) cos(A+B)=cosAcosB-sinAsinB

If A=30o and B=60o ,verify that sin(A+B)=sin A cos B+cos A sin B(ii)cos(A+B)=cos A cos B-sin A sin B

By taking A = 90^@ and B = 30^@ , show that sin (A - B) = sin A cos B-cos A sin B.

sin A-sin B and cos A + cos B

If = 60^(@) and B=30^(@) , then show that : sin A cos B+ cos A sin B= sin (A+B)

If A=60^(@),B==30^(@) then verify that cos(A+B)=cos A*cos B-sin A*sin B

Cos A Cos B + Sin A Sin B