Math, asked by aryan78973, 9 months ago

sin theta =-1/2 find theta using allied angles. a) theta is 210degree,b)330degree,c) both,d) non of this. with method.​

Answers

Answered by vkschoudhary001
0

Answer:

a) 210

sin theta = 1/2 when theta 30.

if you watch the sine curve, when does it casts an negative 30(for -1/2). after 180 half cycle completion, negative 30 at 210

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