26,27,28 pls answer ASAP

26,27,28 pls answer ASAP i — cose I sin O • 2 cosevf) I I —cosO cose sine I—sin O sin O I I sin O coo) I I sine cosO 2 25 tar*' •coo • sin O cod' • sin e coo 7. • . cos«O, tanA onBj: e (tanA - tang/ I -tan 'O I cosecO I I cose tan t) e I 32. I —sane cosecO—I tanO—sinO

Dear student
28sec2θ-1(cosec2θ-1)We know that 1+tan2θ=sec2θ and 1+cot2θ=cosec2θSo, we gettan2θ×cot2θ=1cot2θ×cot2θ   as tanx=1cotx=1=RHS

 
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