if sin a is equal to 1 / 2 ,find the value of 2 secA / 1 + tan square A
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Hi !
sinA = 1/2
sinA = sin30°
A = 30°
2secA / ( 1 + tan² A )
= 2secA / sec²A ( since 1+ tan² A = sec² A )
= 2 / secA
= 2 cos A
= 2 cos30°
= 2 × √3 /2
= √3
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hey dude see this attachment
i know this writting is not good but i solving fast for ur help thats why my writing is like that
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