Math, asked by ss4051461, 10 months ago

Pls solved this newmerical
an explanation

Cos38 cos52_sin38 sin52=0

Answers

Answered by Anonymous

1

cosA.cosB - sinA.sinB = cos(A+B)

so, LHS = cos38.cos52 - sin38.sin52

= cos 90

= 0

= RHS

hence proved

if any doubt just come to my question

hope it helps uh......

Answered by MяMαgıcıαη

1

Answer:

refer to the above attachment for solution

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