Write the value of 4tan2θ−cos2θ4

4tan2θ−cos2θ4=4×cos2θsin2θ−cos2θ4=cos2θ4(sin2θ−1)=cos2θ4(−cos2θ)=−4

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Write the value of 4^2 -{4}{^2 }

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Write the value of $4 tan^{2} θ - \frac{4}{cos ^{2} θ}$

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Write the value of

4 tan^{2} θ - \frac{4}{cos ^{2} θ}

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4 tan^{2} θ - \frac{4}{cos ^{2} θ} = 4 \times \frac{sin ^{2} θ}{cos ^{2} θ} - \frac{4}{cos ^{2} θ}

= \frac{4 ( sin ^{2} θ - 1 )}{cos ^{2} θ}

= \frac{4 ( - cos ^{2} θ )}{cos ^{2} θ}

= - 4

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Question Text	Write the value of $4 tan^{2} θ - \frac{4}{cos ^{2} θ}$
Answer Type	Text solution:1
Upvotes	150