Question

if sinx=cosx and x is acute, state the value of x​

Answer 1

Hey,

sinx=cosx

tanx=1

tanx=tan45

Thus, x=45

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Answer 2

Answer:

If sinx=cosx and x is acute,nthe value if x is 45⁰

Reason : cos value and sin value remains same ( when angle is less than 90⁰ that is acute) only once when when there is 45⁰ that is 1/root2