If a (tan + cot ) = 1, sin + cos = b with 0 < < 90 , then a r – McqOptions

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1.	If a (tan + cot ) = 1, sin + cos = b with 0 < < 90 , then a relation between a and b is
A.	b = 2 (a + 1)
B.	b = 2 (a 1)
C.	2a = b 1
D.	2a = b + 1
Answer» D. 2a = b + 1

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