Question

Q.28 State
आधारभूत आनुपातिकता प्रमेय का कथन लिखकर सिद्ध करो।
2.29 If Sec 2A = Cosec (A-42°) if 2A an acute angle. Find. A hindi ma
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Answer 1

Answer:

sec 2A =Cosec(A-42)

cosec(90-2A) = Cosec(A-42)

90-2A=A-42

3A= 132

A = 44

Step-by-step explanation:

here i use identity sec theta=cosec( 90-theta)

hope now u got it correctly.