Question

prove trigonometry question. please help me.
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Answer 1

Answer:

plz refer to the solve image thanks

Answer 2

In LHS's numerator and denominator multiply by √1 - sin∅ to get

√(1-sin∅)² / √ 1 - sin²∅  

=  √(1-sin∅)² /√ cos²∅

= (1-sin∅) / cos ∅

= 1 / cos ∅ - sin ∅ / cos ∅

= sec ∅ - tan ∅ ■