Verify which of the following are identities. 1) 8 cos theta tan theta csc theta = 8

2) 13 sec^2 theta/cos^2 theta- tan^2 theta/ cos^2 theta=2

a. Only the first equation is an identity.
b. Only the second equation is an identity.
c. Both the equations are identities.
d. None of the equations are identities.

k

step-by-step explanation:

domit

the answer is b.

step-by-step explanation:

answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92