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Please show us what you have tried and exactly where you are stuck.having trouble with the following, if anyone could provide assistance it would be appreciated.
Solve for x:
View attachment 11112
and
Simplify the following:
View attachment 11113
https://mathhelpboards.com/attachments/1619175324265-png.11112/
change $\sin^2{x}$ to $(1-\cos^2{x})$ and solve the resulting quadratic equation for $\cos{x}$
https://mathhelpboards.com/attachments/1619175453718-png.11113/
change the cosecant and cotangent to factors in terms of sine & cosine, then simplify