Question

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Hi friends please solve this trigonometry question

Answer 1

A + B = 90°

RHS

sec A cos B (1 + sin B)

sec (90°- B) cos B (1+sinB)

cosecB cosB (1 + sin B)

1/sinB * cosB (1 + sin B)

cosB/sinB (1 + sin B)

cotB ( 1 + sin B)

cotB + cotB*sinB

cotB + cosB

=

LHS

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