Math, asked by ashish2051, 3 months ago

If cos (40° + x) = sin 30°, find the value of x.

Answers

Answered by shanabiroy12

Answer:

X=20° as cos 60°= sin30°

Step-by-step explanation:

PLS MARK AS BRAINLIEST

ashish2051: how it is cos60

shanabiroy12: u know the table

ashish2051: yes

shanabiroy12: in that table it comes that sin30°=cos60° and sin60°=cos30°

shanabiroy12: in ratio table

ashish2051: yeah

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