Math, asked by velankyadsouza17, 4 days ago

Cos (90-41) = cos 49
please help me with this

Answers

Answered by yousufali793

0

Step-by-step explanation:

using formula

Cos(a-b)= CosaCosb+SinaSinb

Cos90Cos41 + Sin90Sin49

we know that Cos90=0 and Sin90= 1 so,

0 + (1)Sin49

Sin49 = R h.s

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