Question

Find a; if sec(3a) = cosec(2a + 50°); where (2a + 50°) is an acute angle.

Answer 1

Answer:

A = 8

Step-by-step explanation:

Given: Sec 3A = Cosec (2A+50)

To find: Value of A

Solution: Sec 3A = Cosec (2A+50)

Cosec (90-3A) = Cosec (2A+50)

90-3A = 2A+50

90-50 = 2A+3A

40 = 5A

8 = A

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Answer 2

Answer:

A = 8

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