Math, asked by mademonikalyani, 1 year ago

answer it plz important

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Answered by siddhartharao77
4
Given Sin A =  \frac{1}{ \sqrt{2} }

Sin A = Sin 45

A = 45  ------- (1)


Given CotB = 1

CotB = cot 45

B = 45    ----------- (2).


Now,

We know that Sin(A + B)  = SinA cosB + cosASinB

                                         = Sin(45) * cos(45) + cos(45) * sin(45)

                                        =  \frac{1}{ \sqrt{2} } *  \frac{1}{ \sqrt{2} } +  \frac{1}{ \sqrt{2} } *  \frac{1}{ \sqrt{2} }

                                        =  \frac{2}{ \sqrt{2} *  \sqrt{2}  }

                                        =  \frac{2}{2}

                                       = 1.


Hope this helps!

siddhartharao77: If possible brainliest it.
mademonikalyani: tq
Answered by Anonymous
3
Hi,

Please see the attached file!


Thanks
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