Question

Given that sin a : 1\2 and cos ß = 1/2)
then the value of (x + B)
is


​

Answer 1

Answer:

90⁰

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Answer 2

Correction

Given that sin a : 1\2 and cos B = (1/2)

then the value of (A + B)

Answer:-

sinA= 1

2

∵sin30°= 1

2

∴A=30°

cosB= 1

√2

∵cos45° = 1

√2

∴B=45°

∴(A+B)=30° +45°

=75°

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