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If tan thita + sec thita=4,then find sin thita. (0
Hi Arnab.
tanx + secx = 4
We also know that sec^2 x - tan^2 x = 1
or (secx-tanx)(secx+tanx) = 1
or secx-tanx = 1/4
So secx = 17/8 and tanx = 15/8
So sinx = tanx/secx = 15/17.
Hope that helps.
Best Regards,
Ashwin (IIT Madras).
the answer will be , sin Θ = 15/17 , -1
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