1.

Given 5 cos A - 12 sin A = 0, find the value ofsin A + cos A____________2 cos A - sin AICSE 1995​

Answer»

Answer:

5cosA−12sinA=0

tanA=

12

5

Now,

2cosA−sinA

sinA+cosA

MULTIPLY and divide by cosA

=

2−tanA

tanA+1

=

2−

12

5

12

5

+1

=

12

24−5

12

5+12

=

19

17



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