CosA = √3/2 then find the value of 1- sinA / 1 + secA
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Answer:√3/4+ 2√3
Step-by-step explanation:
if cos A = √3/2
then sec a = 2/√3 ............. cos a ×sec a = 1
then sin²a + cos²a =1
sin²a = 1 - cos² a
= 1 - (√3/2)²
= 1 - 3/4
= 4-3/4
sin²a = 1/4
∴sin a = 1/2
sin a /1 +sec a= 1/2/1+2/√3
= 1/2×2+√3/√3
= √3/4+2√3
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