Question

if 8 tan theta is equal to 15 then find cos theta​

Answer 1

Answer:

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Answer 2

Answer:

cos theta= 8

Step-by-step explanation:

Given expression=

8 tan theta= 15

:-tan theta=15/8--------equation 1

we know that,

tan theta=P/B

so, by using Pythagoras theorem,

P^2+B^2=H^2

:- 15^2+8^2=H^2

:-225+64=H^2

:-H=√289

H=17

:- cos theta= B/H

=>8/17

Answer