Question

2b upon 3 -5 = 3 first answer brainliest​

Answer 1

Answer:

Step 1: Simplify both sides of the equation

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

cosA=1/2..

cosA=cos60°

A=60°

and again.SinB=1/√2

sinB=sin45°

B=45°

,now ,tanA-tanB/1+tanA*tanB=Tan(A-B)

tan(60°-45°)

tan15°=√3-1/√3+1 Ans

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