In traingle ABC= 1 and cos B= 1/2 then find angle A and angle B0⁰ le

1.	In traingle ABC= 1 and cos B= 1/2 then find angle A and angle B0⁰ less than 90⁰(at b less than or equal to 90⁰)
Answer» Step-by-step EXPLANATION: GIVEN in △ ABC, ∠B=90 o . This given A+C=180 o −90 o =90 o ......(1). Now, sinA.cosC+cosA.sinC =SIN(A+C) =sin(90 o ) =1.

In traingle ABC= 1 and cos B= 1/2 then find angle A and angle B0⁰ less than 90⁰(at b less than or equal to 90⁰)

Answer»

Step-by-step EXPLANATION:

GIVEN in △ ABC, ∠B=90

This given A+C=180

−90

=90

......(1).

Now,

sinA.cosC+cosA.sinC

=SIN(A+C)

=sin(90

)

=1.

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In traingle ABC= 1 and cos B= 1/2 then find angle A and angle B0⁰ less than 90⁰(at b less than or equal to 90⁰)​

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In traingle ABC= 1 and cos B= 1/2 then find angle A and angle B0⁰ less than 90⁰(at b less than or equal to 90⁰)