CBSE BOARD X, asked by vaidyarudraksh6, 11 months ago

Sin[30degree-A] = cos[70degree-A] then A =

Answers

Answered by shashankchauhan2004

1

sin(30-A)=cos(70-A)

cos(90-30+A)=cos(70-A)

60+A=70-A

2A=10

A=5°

Answered by harieditors

0

Answer:

Explanation:

sin(30°-A)=cos(70°-A)

sin(30-A)=cos(90-70+A)

sin(30-A)=sin(20+A)

30-20=A+A

2A=10°

A=5°

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