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IF theta is positive acute angle and tan^2 theta + cot ^2 theta = 82/9 , find the value of tan theta + cot theta?

0 votes

 2) IF sin theta + cosec theta = 2 , then the value of sin^2 theta + cosec^2 theta

asked Apr 21, 2014 in TRIGONOMETRY by anonymous
reshown Apr 21, 2014 by moderator

1 Answer

0 votes

 1)   If θ  is positive acute angle.

Substitute the value 

image

So  θ  is positive acute angle.

image

2)

.

answered Apr 21, 2014 by friend Mentor

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