Math, asked by Mohammedfarazfarooq, 1 year ago

If sin A = 3/4 find CosA

Answers

Answered by ayush6328

Root(7)/4 is the correct answer

paunikarsujal: Since sin a=oppo/hypo

paunikarsujal: Therefore by applying Pythagoras theorem we can get the third side

paunikarsujal: cos=adjacent/hypotanuse

teju1825: show the solution

Answered by Sumanmi

Answer:

Step-by-step explanation:

SinA =3/4

Height =3x units

Hypotenuse =4x units

Base =√4^2 - 3^2

Base^2=16-9

Base =√7

Cos A=√7x/4x

=√7/4

Let me know if it helped

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