Question

cos theta is 2x/1+x² then value of tan theta​

Answer 1

Step-by-step explanation:

cosθ=1+x22x

sinθ=

1−cos2θ=1−(1+x2)24x2=(1+x2)2x4−2x2+1=±1+x21−x2

tanθ=±1+x21−x2

cosecθ=±1−x21+x2

Answer 2

Answer:

${x}^{2} - 1 \div 2x$