Question

if 2sin a cos a - 2.5 + 3 cos2 a = 0 (0<a<90°) find the value of tan a​

Answer 1

Answer:

The definition of a meadow is a large field of grass and non-woodsy plants or flowers. A large area of grassland which is used for pasture or to grow hay is an example of a meadow.

Answer 2

Step-by-step explanation:

$\huge \boxed {\pink{\bold{Answer}}}$

$Given: 2sin2θ=3cosθ \\ </p><p></p><p></p><p> \\ ⇒2(1−cos2θ)=3cosθ</p><p></p><p></p><p> \\ ⇒2cos2θ+3cosθ−2=0</p><p></p><p></p><p> \\ ⇒2cos2θ+4cosθ−cosθ−2=0</p><p></p><p></p><p>⇒(2cosθ−1)(cosθ+2)=0</p><p></p><p></p><p> \\ ⇒cosθ=21    and    cosθ=−2 is not possible because cosθ≥−1</p><p></p><p></p><p> \\ ⇒cosθ=21</p><p></p><p></p><p> \\ ⇒θ=3π,35π</p><p></p><p></p><p>$