Home
Class 11
MATHS
(cos3A+sin3A)/(cosA-sinA)=...

`(cos3A+sin3A)/(cosA-sinA)=`

A

1-2 sin 2A

B

1+2 cos 2A

C

1-2 cos 2A

D

1+2 sin 2A

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MULTIPLE & SUBMULTIPLE ANGLES

    AAKASH SERIES|Exercise EXERCISE-II|52 Videos

  • MULTIPLE & SUBMULTIPLE

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE - II) (LEVEL - II) (Linked Comprehension Type Questions)|5 Videos

  • MULTIPLE PRODUCT OF VECTORS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|62 Videos

Similar Questions

Explore conceptually related problems

Prove that (cos3A + sin3A)/(cosA - sin A) = 1+ 2sin 2A .

((cosA+sinA)/(cosA-sinA))-((cosA-sinA)/(cosA+sinA))=

(cosA+sinA)^2+(cosA-sinA)^2 = …………………

If ( cos 3A+ sin 3A)/( cos A - sin A )=1-k sin 2A , the value of k is

( cos^(3) A + sin^(3) A )/( cos A + sin A ) + (cos^(3) A - sin^(3)A)/( cos A- sin A) =

If cos A = 3/4 then (2cos A + 3 sin A)/(4 cos A - sin A) =

In DeltaABC , if cosA+sinA -(2)/(cosB+sinB)=0 , then the value of ((a+b)/(c))^(4) is

A+C=2B then (cosC-cosA)/(sinA-sinC)=

(cos A - cos 3A)/(cos A) + (sin A + sin 3A)/(sin A)=