Question

sin B + tan C = ______.

पर्याय

• `1/2`

• `17/15`

• `4/3`

• `3/4`

Answer 1

sin B + tan C = `underlinebb(4/bb3)`.

Explanation:

In △ABD, AD = `sqrt(10^2 − 6^2) = 8, sin B = 8/10 = 4/5`

In △ADC, tan⁡ C = `(AD)/(DC) = 8/15`

sin B + tan C = `4/5 + 8/15`

= `4/3`