if under root 3 tan theta is equal to 3 sin theta find the value of sin square theta minus cos square theta. please ans these urgent...
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√3 tan theta = 3 sin theta
we know √3×√3=3
so tan theta = √3 sin theta
sin theta/cos theta=√3 sin theta
Now , 1/cos theta=√3
cos theta = 1/√3
we know sin^2 theta + cos^2 theta = 1
so sin theta = √(1-cos^2 theta)
=√(1-1/3)
√2/√3
sin^2 theta - cos^2 theta= 2/3-1/3=1/3
rushi83:
in the answers sheet answer is 1 upon 2
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hope it will be uesful
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