Home
Class 10
MATHS
cos(A-B) =...

cos(A-B) =

A

`cosAcosB+sinAsinB`

B

`cosAsinA+cosBsinB`

C

`sinAsinB-cosAcosB`

D

`cosAcosB-sinAsinB`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TANGENTS AND SECANTS TO A CIRCLE

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|201 Videos

  • TRIGONOMETRY (MULTIPLE CHOICE QUESTION)

    VGS PUBLICATION-BRILLIANT|Exercise TRIGONOMETRY (MULTIPLE CHOICE QUESTION)|25 Videos

Similar Questions

Explore conceptually related problems

sin^(2) A cos^(2)B + cos ^(2) A sin^(2) B + sin^(2) A sin^(2) B+ cos^(2) A cos^(2) B=

Find the derivatives of the function cos ^(-1) (( b + a cos x )/( a + b cos x )), (a gt 0, b gt 0)

If sqrt(2)cos A = cos B + cos^(3)B , and sqrt(2)sin A = sin B- sin^(3)B then sin(A-B)=

In Delta ABC, cos A + cos (B-C)=

In Delta ABC , a( b cos C - c cos B) =

If A+B+C = 2S , then P.T cos(S-A)+cos(S-B)+cos(S-C)+cosS=4cos.(A)/(2)cos.(B)/(2)cos.(C)/(2)

In a Delta ABC, a (cos^2 B+cos^2 C)+cos A(c cos C+b cos B)=

( cos A) /( a) + ( cos B) /( b ) + ( cos C ) /( c )