Trigonometric identity

Thread starter Feodalherren
Start date Sep 17, 2012

Sep 17, 2012

#1

Homework Statement

Homework Equations

The Attempt at a Solution

Answers and Replies

Sep 18, 2012

#2

Homework Helper

tanθ + sec - 1 = tanθ + secθ + tan²θ - sec²θ
Factorise the last two terms and simplify.
Substitute in the given problem and simplify.

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