1.

If sec teta=13/5 then show that 2sinteta-3costeta/4sinteta-9costeta

Answer»

ANSWER:

SEC X =13/5

so

COS x =5/13

SIN^2 x =1-cos^2 x .sin x=12/13

so

2 sin x-3 cos x/4sin x-9 cos x

⇒2x12/13-3x5/13 / 4x12/13-9x5/13

⇒3 Answer


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