Math, asked by UtkarshJha8310, 1 year ago

If sin(a+2b)=root3/2 & cos(a+4b)=0 find a & b

Answers

Answered by Anonymous
2
Hi Mate!!!

Sin ( a + 2b ) = Sin ( 60 ) => a + 2b = 60 ... 1

and

Cos ( a + 4b ) = Cos ( 90 ) => a + 4b = 90 ...2


Subtract 1 from 2


2b = 30°

b = 15°

and

a = 30°

Have a nice time..
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