Plzz solve the two question 
No link plzz as i am not able to acess it

LHS = tan θsin3θcos θ + sin θ . cos θ=sin θcos θsin3θ + sin θ . cos2θcos θ=sin θcos θsin θsin2θ + cos2θcos θ=sin θsin θsin2θ + cos2θ=1sin2θ + cos2θ=11=1=RHS

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Sin cube h na
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Yaa
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Solution:

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Solution

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I am able to understand .
So plzz cld u do it again ..
And try to the 1st sum too
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Ok
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Hint:

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Hint:

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Sorry second equation m thoda glti h check krr lena
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