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Grade 11Trigonometry

If 3 cos theta= 5 sin theta then find the value of 5 sin theta -2 sec³theta + 3 cos theta / 5 sin theta +2 sec³ theta- 2 cos theta

Nandhitha

8 Years agoGrade 11

1 Answer

Arun

8 Years ago

Dear student

As 3 cos theta = 5 sin theta

Hence

Tan theta = 3/5

Now

sin theta = 3/ sqrt(34)

cos theta = 5/ sqrt(34)

Now put all the values in the question and get the answer.

Regards

Arun (askIITians forum expert)

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