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If cos(α+β)=4/5, sin(α−β)=5/13 and α,β lie between 0 and π/4 then prove that tan2α=56/33.

If cos(α+β)=4/5, sin(α−β)=5/13 and α,β lie between 0 and π/4 then prove that tan2α=56/33.
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If cos(α+β)=4/5, sin(α−β)=5/13 and α,β lie between 0 and π/4 then prove that tan2α=56/33.

User Michael Sorensen
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1 Answer

3 votes

Answer:

tan 2α = 56/33

Explanation:

If cos(α+β)=4/5, sin(α−β)=5/13 and α,β lie between 0 and π/4 then prove that tan2α=56/33.-example-1
If cos(α+β)=4/5, sin(α−β)=5/13 and α,β lie between 0 and π/4 then prove that tan2α=56/33.-example-2
User Crazy Crab
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8.1k points
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