Math, asked by sakshiyadav2, 1 year ago

solve this as soon as possible....plzzzzz... question no. (vii)

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Nikitaparihar: what is the answer
naincy5: -4
naincy5: Plz RHS bata dijiye

Answers

Answered by akshayaneethu
2
cotx cotx - cosecx cosecx + sqrt3 tan (90-78) tan 60 tan 78
= cot sq x - cosec sq x + sqrt3 cot 78 (sqrt3) tan 78
= cot sq x - cosec sq x + sqrt 3 (1/ tan 78) sqrt3 tan 78
= cot sqx - cosec sq x + 3
= -1+3
2



sakshiyadav2: Thank u so much
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