Q2 of 51 Page 54

.

Formula: - sin2A + cos2A = 1


taking R.H.S










taking L.H.S








L.H.S = R.H.S


HENCE, PROVED.


More from this chapter

All 51 →
1

.

 3

.

 4

If tan(A + B) = x and tan(A – B) = y. Find the value of tan 2A and tan2B.

 5

and then find the value of tan (2A).