Math, asked by StephenHawking9359, 8 months ago

If cosecA + cotA = x, then value of x is

A) 1/(cosecA - cot

Answers

Answered by dkchakrabarty01
0

Answer:

cosecA+cotA = (1/sinA) + (cosA/sinA) = (1+cosA) /sinA = (1+2cossqA/2 - 1)/(2sinA/2.cosA/2) = 2cossqA/2/(2sinA/2.cosA/2) = cosA/2/(sinA/2) =cotA/2 = x. So the value of x = cotA/2 Note here sinA/2 is not (sinA)/2, it is sin of half of angle A

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